专题02 用所给单词的适当形式填空100题（重点单词点全覆盖）-2021-2022学年七年级英语下学期期末复习查缺补漏冲刺满分（牛津深圳版）.docx

1、牛津深圳版七年级下学期期末复习 查缺补漏冲刺满分(重点单词全覆盖)专题02 用所给单词的适当形式填空100题考生在做此类题时，首先理解句子或者对话的意思。其次分析括号中单词的词性，联想该单词的常见变形。然后分析句子成分，找出括号中单词在句子中做的成分。最后将所给单词的适当形式填入相应的空格中，再读题，检查句子是否完整，表达是否准确无误。这类题目难度不大，重点是掌握句意，在理解的基础上把握句子时态，从而判断所给单词的正确形式。1The Louvre Museum is one of the most famous places in _ (French).2She kept running fa

2、st and _ (final) she was the first one to pass the finishing line.3They taught _ (they) Chinese before they came to China.4Friendship is _ (value) for everybody. We should get along well with our friends.5It took all the workers nearly 200 years _ (complete) the project.6The phone _ (ring) at the mo

3、ment, could you please answer the phone, Sam? OK, Ill get it.7We must _ (fighting) with the pollution and try our best to protect the trees.8_ (not) be late for school anymore, or I will be very angry.9Everybody wants to be a _ (succeed) person but they have to work very hard.10The receptionist allo

4、wed John and Charlie to come into the hotel and _ (lead) them to their room.11My English teacher is very _ (help). How kind she is!12We all know that trees make our lives _ (convenient) than before. We get a lot from the trees.13I am so sorry that I _ (drop) your pen into the lake just now.14The boy

5、 _ (lead) the horse back when his dad came home.15Did you build this card building by _ (you), Tom and Berry?16My grandpa likes drinking, especially _ (France) wine.17Look! The cat is _ (lie) on the kitchen floor.18Its _ (harm) for you to eat so much at a time.19The _ (succeed) player gave people an

6、 interesting speech yesterday.20He tried and tried, and _（final）found the right key to the door.21The 14yearold boy is 1.8 meters in _ (high). He is as tall as his father now.22A mouse is _ (dig) a hole at the bottom of the wall to find a new way out.23They must finish all the work by _ (they).24My

7、dear children, help _ (you) to some fish.25Look over there, the dog _ (lie) under the sofa.26We enjoyed _(we) at the party last night.27Our Chinese teacher likes to tell _ (joke). We all like her.28This is _ (probable) the most beautiful flower I have ever seen.29Dont judge a person by his _. (appea

8、r)30Coco is good at English, and she can speak it very _ (good).31Everyone shouldnt be _ (patient) with the old.32She _ the door and turned the handle open it. (lock)33Some people in Canada speak English and others speak _ (France).34Its of great _ to find out what he is doing. (important)35Dont dri

9、ve when you are out because its a _ (fog) day.36It will take us one hour _ (arrive) there by bus.37Her grandpa has got some good _ (collect) of different kinds of old things.38It was very late, so Mike entered the room and closed the door _ (gentle).39His mother made him _ (practice) the piano when

10、he was five.40The Amazon Rainforest spreads across _(ninth) countries.41People are destroying our environment by _ (cut) down many trees.42As a result, the number of kinds of animals in the world _ (be) decreasing now.43_ (hope), the COVID-19 will end quickly.44Over the years, the tower has continue

11、d to lean _ (far) than before.45Suddenly, I saw something _ (move) towards me.46Mums do a lot of _ (hardly) work for us, such as cleaning and cooking.47In the US, people celebrate Mothers Day on the _ (two) Sunday in May every year.48Lily had many different _ (feel) after she watched the film “On th

12、e Cliff”.49I have made a _ (decide) to learn a kind of sport this summer holiday.50My best friend Alice always tells me jokes _ (make) me laugh.51Nancy looks _ (happiness) because she didnt pass the English exam.52You must _ (keep) the outside of the rice cooker dry.53Many old people prefer _ (stay)

13、 in their own homes.54I am not sure about the _ (mean) of this word. Can you tell me?55The girl in red is from a(n) _ (Europe) country.56Trees are major fighters against _ (pollute).57Would you like to go _ (ski) with us this winter?58He failed to get a full mark because of his _ (care).59He forgot

14、_ (take) the medicine this morning and now he is feeling worse.60I would buy my parents a new house if I _ (win) the lottery.61My father gets tired if he _ (work) too much.62She _ (be) late if she does not hurry.63You _ (get) wet if you stand in the rain without an umbrella.64Peter has to work today

15、. If he didnt he _ (join) us.65If you freeze water, it _ (turn) into ice.66If you prefer _ (learn) English, you can join the English Club.67I spent two days _ (write) the article.68It was an _ (usually) trip and I will never forget it.69During the _(warm) of spring all the flowers bloom.70If you pra

16、ctice _ (speak) English more often, you will improve your English.71He was _ (breathe) when he got to the top of the mountain.72The old computer _(break) down easily, so I have to restart it often.73I am three years _ (old) than my sister.74It is _ (usual) for him to come on time. He is always late

17、for work.75An artist often draws his/her _ (inspire) from natural beauty.76As Davids eyesight began to fail, he found it increasingly difficult _ (read).77The lady gave that child some water when he nearly died of thirst. At that moment, nothing could be _ (sweet).78Through the Arabians, the Europea

18、ns learned how to make linen and cotton paper from the Chinese in the _ (twelve) century.79I am so _ (forget) that I often leave my keys at home. A poor memory really gets you in trouble.80Tom was _ (amaze). This was not the outcome he had looked for.81Im looking forward to _ (receive) your E-mail.8

19、2The girl turned around and _ (appear) into the darkness.83The meeting went _ (surprise) well last week.84Growing out of nothing, modern science and technology have been developing _ (rapid).85Miss Liu _ (teach) us Chemistry last term.86Look, there are some _ (butterfly) flying in the flower bush.87

20、Recycling helps to save _ (nature) resources.88In the Rocket Club, we will learn how _ (build) rockets.89Sam has an _ (able) to get along well with others.90All the living things cant live _ (with) water.91My dream is to become a _ (collect) of stamps.92The book gave us some _ (inform) on how to mak

21、e a friend.93How can I become _ (success)in the future? Well, you must work hard first.94They wanted to play basketball first. He_ (agree)with them, because he didnt finish his homework.95There are_ (million) of stars in the sky.96Mom was angry because broke the_ (value)vase.97The weather is getting

22、 worse and worse, and we are _ (worry)about it.98How tall the girl is! Whats her _ (high)?99Is the basketball team _ (make)up of eleven players?100We must stop _ (put) rubbish into the sea.参考答案：1France【解析】句意：卢浮宫是法国最著名的地方之一。根据“one of the most famous places”可知此处指卢浮宫在法国，用French的变形France表示“法国”。故填France。

23、2finally【解析】句意：她一直跑得很快，终于第一个跑过了终点线。此处在句中修饰整个句子，用副词形式，故填finally。3themselves【解析】句意：他们在来中国之前自学中文。they“他们”，人称代词主格；teach oneself表示“自学”，固定短语，所以空处用they的反身代词themselves。故填themselves。4valuable【解析】句意：友谊对每个人都是宝贵的。我们应该和我们的朋友和睦相处。此处在句中作表语，用形容词valuable，表示“宝贵的”，故填valuable。5to complete【解析】句意：完成这个项目花费所有工人将近200年时间。固定句

24、型“It took sb 时间 to do sth”表示“做某事花费某人多少时间”。故填to complete。6is ringing【解析】句意：电话响了，山姆，你能接一下电话吗？好的，我去接。根据“at the moment”可知，时态是现在进行时，主语是“The phone”，be动词用is，故填is ringing。7fight【解析】句意：我们必须与污染作斗争，尽力保护树木。情态动词must后加动词原形，所以此空应填fighting的动词原形fight。故填fight。8Dont【解析】句意：上学不要再迟到了，否则我会很生气的。根据“.be late for school anymo

25、re”可知，此处是祈使句的否定形式，用“Dont+动词原形”表示，故填Dont。9successful【解析】句意：每个人都想成为一个成功的人，但他们必须非常努力工作。此空缺少形容词作定语修饰名词person，succeed是动词，其形容词是successful“成功的”，故填successful。10led【解析】句意：接待员允许约翰和查理进入酒店，并把他们领到他们的房间。根据“allowed”可知，句子是一般过去时，此空应填动词过去式，故填led。11helpful【解析】句意：我的英语老师很有帮助。她是多么友好啊！分析成分可知，此空应填形容词作表语；help的形容词是“helpful（有

26、帮助的）”。故填helpful。12more convenient【解析】句意：我们都知道树木使我们的生活比以前更方便。我们从树上得到很多东西。“make sth+adj”结构，使用形容词作宾语补足语，根据“than before”可知，使用形容词比较级，故填more convenient。13dropped【解析】句意：我很抱歉刚才把你的钢笔掉到湖里去了。根据“just now”可知，时态是一般过去时，动词用过去式，故填dropped。14was leading【解析】句意：当他爸爸回家时，男孩正牵着马回来。根据“when his dad came home”可知此处表示从句的动作发生时，主

27、句的动作正在发生，从句是一般过去时，则主句用过去进行时，主语是the boy，be动词用was。故填was leading。15yourselves【解析】句意：这幢卡片楼是你们自己建的吗，Tom和Berry？by oneself表示“自己”，根据“ Tom and Berry”可知主语you是复数，因此反身代词用yourselves。故填yourselves。16French【解析】句意：我爷爷喜欢喝酒，尤其是法国葡萄酒。此处填形容词作定语；用France对应的形容词French“法国的”。故填French。17lying【解析】句意：看！小猫躺在厨房地板上。根据“Look”可知，用现在进行

28、时，此空为动词的现在分词。lie的现在分词为lying。故填lying。18harmful【解析】句意：你一次吃这么多对身体是有害的。is后接形容词作表语，harm对应的形容词是harmful“有害的”，故填harmful。19successful【解析】句意：那位成功的选手昨天给人们做了一次有趣的演讲。此空修饰名词player，要用形容词作定语，succeed对应的形容词是successful“成功的”，故填successful。20finally【解析】句意：他试了又试，最后终于找到了门的正确的钥匙。“final”是形容词，表达“最后的”。动词“found”用副词修饰, 表示最后用副词“f

29、inally”。故填finally。21height【解析】句意：这个14岁的男孩身高1.8米。他现在和他父亲一样高。空格在介词in后面，可知填名词形式height“高度”。故填height。22digging【解析】句意：一只老鼠正在墙底挖洞，想找到一条新的出路。主语“A mouse”与动词dig之间是主动关系，is后用现在分词digging，构成现在进行时。故填digging。23themselves【解析】【分析】句意：他们必须自己完成所有的工作。根据固定搭配“独自：by oneself”可知，需要一个反身代词，结合英文提示，themselves符合句意。故填themselves。24y

30、ourselves【解析】【分析】句意：我亲爱的孩子们，请随便吃点鱼。help oneself“随便吃喝”，根据“My dear children”可知，此处表示“你们自己”，是复数含义，故填yourselves。25is lying【解析】【分析】句意：看那边，那只狗正躺在沙发下面。根据“Look over there”可知，时态是现在进行时，主语是“the dog”，be动词用is。故填is lying。26ourselves【解析】句意：我们在昨晚的聚会上玩得很开心。enjoy oneself“玩得开心”，根据“we”可知，此空应填反身代词ourselves，故填ourselves。27

31、jokes【解析】句意：我们的语文老师喜欢讲笑话。我们都喜欢她。tell jokes“讲笑话”，故填jokes。28probably【解析】句意：这可能是我见过的最美丽的花。空格处修饰整个句子，应用副词，probable“可能的，很可能发生(或存在等)的”，形容词，其副词是probably“可能，大概”。故填probably。29appearance【解析】【分析】句意：不要以貌取人。句中“his”为形容词性物主代词，意为“他的”，后跟名词。所给词appear为动词，意为“出现”，其名词形式为appearance，意为“外貌，外表”，这里指某个人的外貌，用单数形式，故填appearance。3

32、0well【解析】【分析】句意：可可英语很好，她能说得很好。空处修饰句中的动词，应用副词，故填well。31impatient【解析】句意：“每个人不应该不耐心的对待老人。”be impatient with.对没有耐心，patient的反义词impatient。这里结合句意，故填impatient。32unlocked【解析】句意：她没有锁门，转动把手把门打开了。本句缺谓语动词，and连接并列结构，前后时态需一致；根据and turned the handle open it.和英文提示，可知是“解锁”，故填unlocked。33French 【解析】句意：加拿大有些人说英语，有些人说法语。

33、and前后是对等关系，前面说的是语言，后面也是指语言。故填French。34importance【解析】句意：弄清楚他在做什么很重要。be of +名词=be +形容词；important重要的，形容词，其对应的名词为：importance重要，抽象名词，不可数，故填importance。35foggy【解析】句意：因为有雾，你外出时不要开车。空处作定语修饰名词day，所以用fog的形容词foggy“有雾的”，故填foggy。36to arrive【解析】句意：乘公共汽车到那里要花我们一个小时。固定故事：It takes sb. +一段时间+ to do sth.“某人花费时间去做某事”，动词

34、不定式作主语，故填to arrive。37collections【解析】句意：她爷爷获得了一些好的各种各样的旧东西的收藏。collect“收集”，动词；根据“of different kinds of old things”空处应用名词构成名词所有格形式，collect对应的名词是collection“收藏品”，可数名词；由some可知，空处用复数形式。故填collections。38gently【解析】句意：很晚了，迈克走进房间，轻轻地关上了门。此空修饰动词closed，要用副词，gentle的副词是gently“轻轻地”，故填gently。39practice【解析】句意：当他五岁的时候，

35、他的母亲让他练习钢琴。make sb do sth“让某人做某事”，省略to的动词不定式作宾补，故填practice。40nine【解析】句意：亚马逊雨林横跨九个国家。根据“countries”可知此处指数量，用基数词，nine表示“九个”。故填nine。41cutting【解析】句意：人们砍伐许多树木，破坏我们的环境。cut“砍”，动词；根据空前“by”是介词可知，此处要用动名词形式，即cutting。故填cutting。42is【解析】句意：因此，现在世界上动物种类的数量正在减少。根据“now”可知用一般现在时，主语前用the number of，此处表示物种的数量，be动词用is。故填i

36、s。43Hopefully【解析】句意：希望COVID-19能尽快结束。hope“希望”，名词或动词，此处要用其副词形式hopefully，修饰整个句子；设空处位于句首，首字母应大写。故填Hopefully。44further【解析】句意：多年来，这座塔已经变得更倾斜了。根据“lean”和“than”可知，空格处填副词的比较级，根据“the tower has continued to lean”可知，此处表程度，用“further”。故填further。45moving【解析】句意：突然，我看见有东西朝我移动。根据“Suddenly”可知突然看到东西正在移动，see sth. doing s

37、th.“看见某物正在做某事”，此处用move的现在分词形式moving作宾语补足语。故填moving。46hard【解析】句意：妈妈们为我们做了很多艰苦的工作，比如打扫卫生和做饭。“work”是名词，由此推断，空格处填形容词，“hardly”的形容词是“hard”。故填hard。47second【解析】句意：在美国，人们庆祝母亲节是在每年五月的第二个星期日。本题考查the+序数词的用法。two“二”，是基数词；second“第二”，是序数词，表示顺序。故填second。48feelings【解析】句意：莉莉看了悬崖之上这部电影后，有了许多不同的感受。结合成分分析和句意可知，此空应填feel的名

38、词“feeling（感受）”作宾语；根据“many（许多的）”可知，可数名词feeling应用其复数形式feelings。故填feelings。49decision【解析】句意：我已经决定今年暑假学习一种体育运动。分析句子可知，此空应填动词decide的名词“decision（决定）”作宾语，组成短语“make a decision to do sth.（下定决心去做某事）”。故填decision。50to make【解析】句意：我最好的朋友Alice总是给我讲笑话逗我笑。根据语境可知，Alice讲笑话是为了逗我笑，所以此空应填动词不定式to make作目的状语。故填to make。51unh

39、appy【解析】句意：南希看起来不高兴，因为她没有通过英语考试。look是连系动词，后接形容词作表语，根据“because she didnt pass the English exam”可知，没有通过英语考试感到不开心，unhappy“不开心的”，故填unhappy。52keep【解析】句意：你必须保持电饭煲的外面干燥。keep“保持”，动词；must是情态动词，其后跟动词原形。故填keep。53to stay【解析】句意：很多老人更喜欢待在自己家。考查短语prefer to do sth“更喜欢做某事”，此处用动词不定式。故填to stay。54meaning【解析】句意：我对这个词的意思

40、没有把握。你能告诉我吗？mean“意味着”，动词，结合语境可知，空处应填其名词形式构成短语the meaning of，表示“的意思”。故填meaning。55European【解析】句意：那个穿红衣服的女孩来自一个欧洲国家。此空缺少形容词作定语修饰名词country，Europe对应的形容词是European“欧洲的”，故填European。56pollution【解析】句意：树木是对抗污染的主要斗士。介词against后接名词，pollute对应的名词是pollution“污染”，故填pollution。57skiing【解析】句意：今年冬天你想和我们一起去滑雪吗？ski“滑雪”，动词；g

41、o skiing“去滑雪”，固定短语。故填skiing。58carelessness【解析】句意：由于粗心，他没有得满分。根据“He failed to get a full mark”结合所给词可知，没得满分应是因为粗心，空处应用名词作宾语，carelessness“粗心大意”，不可数名词。故填carelessness。59to take【解析】句意：今天早上他忘了吃药，现在他感觉更糟了。forget to do sth表示“忘记去做某事”，此处指忘记吃药，故填to take。60won【解析】句意：如果我中了彩票，我会给我父母买一栋新房子。根据“I would buy my parents

42、 a new house if I the lottery.”可知，从句是对将来的虚拟语气，从句应填动词过去式，故填won。61works【解析】句意：我父亲如果工作太多就会累。根据“gets”可知用一般现在时，讲父亲的状态，he后用动词第三人称单数形式works。故填works。62will be【解析】句意：如果她不快点，就会迟到。if引导的条件状语从句，遵循主将从现原则，主句用一般将来时，其结构为will do。故填will be。63will get【解析】句意：如果你不带伞站在雨中，你会淋湿的。if引导条件状语从句，遵循“主将从现”，主句用一般将来时will do的结构，故填will

43、 get。64would join【解析】句意：彼得今天要工作。如果他不去，他就会加入我们。此处是一个虚拟语气，从句是一般过去时，主句用would+动词原形，故填would join。65turns【解析】句意：如果你把水冻起来，它就会变成冰。根据“it . (turn) into ice”可知此处表主动，水遇冷变成冰是客观真理，用一般现在时，it后接动词第三人称单数形式turns。故填turns。66learning【解析】句意：如果你更喜欢学英语，你可以加入英语俱乐部。prefer doing sth.“更喜欢干某事”，固定用法；learn的动名词形式为learning。故填learnin

44、g。67writing【解析】【分析】句意：我花两天写这篇文章。“spend+时间+doing sth”表示“花费时间做某事”，write的动词ing形式为writing。故填writing。68unusual【解析】【分析】句意：这是不寻常的旅行，我不会忘记的。此空为形容词作定语修饰名词，根据“. I will never forget it.”可知旅行不寻常，所以不会忘记。unusual表示“不寻常的”。故填unusual。69warmth【解析】【分析】句意：在温暖的春天里，所有的花都盛开。the后接名词，warm的名词为warmth，表示“温暖”。故填warmth。 70speakin

45、g【解析】【分析】句意：如果你更频繁的锻炼说英语，你就会改善你的英语。practice doing sth表示“练习做某事”，动名词作宾语。故填speaking。71breathless【解析】【分析】句意：当他到达山顶时，已经上气不接下气了。由句中“when he got to the top of the mountain”可知，此句是说到达山顶时，已是上气不接下气。所给词breathe为动词，此处用形容词breathless，意为“喘不过气来的”，故填breathless。72breaks【解析】【分析】句意：这台旧电脑很容易坏，所以我得经常重启。由句中 “often”可知，此句用一般现

46、在时，主语“The old computer”为第三人称单数，break用第三人称单数形式，故填breaks。73older【解析】句意：我比我妹妹年长三岁。根据“than”可知，此空应填形容词old的比较级older，故填older。74unusual【解析】【分析】句意：他很少准时来。他上班总是迟到。根据“He is always late for work.”可知，他总是迟到，所以准时很少见，unusual“罕见的”符合语境，在句中作表语，故填unusual。75inspiration【解析】句意：艺术家经常从自然美中汲取灵感。inspire“启发”，动词；空前有形容词性物主代词“his

47、/her”，此处应填名词inspiration“灵感”。故填inspiration。76to read【解析】【分析】句意：随着大卫的视力开始衰退，他发现阅读越来越困难。根据“find it adj. to do sth.”可知，此空需要动词不定式作真正的宾语，结合英文提示，to read符合句意。故填to read。77sweeter【解析】【分析】句意：当那个孩子快要渴死时，那位女士给他一些水喝。在那一刻，没有什么比这更甜蜜了。此处含有比较含义，用形容词比较级作表语。故填sweeter。78twelfth【解析】句意：通过阿拉伯人，欧洲人在12世纪从中国人那里学会了如何制作亚麻和棉纸。tw

48、elve“十二”，基数词；此处指在12世纪，应填序数词表示顺序。故填twelfth。79forgettable【解析】【分析】句意：我太健忘了，经常把钥匙忘在家里。记性差真的会给你带来麻烦。根据“I often leave my keys at home”可知，我很健忘，结合英文提示，forgettable符合句意。故填forgettable。80amazed【解析】【分析】句意：汤姆很惊讶。这不是他所期望的结果。amaze动词，amazing令人吃惊的；amazed形容词，修饰人，此处在句中作表语，故填amazed。81receiving【解析】【分析】句意：我期待着收到你的电子邮件。根据固

49、定搭配“look forward to doing sth.”可知，此空需要一个动名词形式，结合英文提示，receiving符合句意。故填receiving。82disappeared【解析】句意：女孩转过身，消失在黑暗中。根据“The girl turned around”可知，转身消失在黑暗中，disappear“消失”，根据“turned”可知，此空应填动词过去式，故填disappeared。83surprisingly【解析】句意：上周的会议出奇地顺利。分析句子结构可知要用副词修饰动词went，此处指会议出奇地顺利，用surprise的副词形式surprisingly，意为“出奇地，出

50、人意料地”。故填surprisingly。84rapidly【解析】【分析】句意：现代科学技术从无到有，一直在迅速发展。根据“have been developing”可知，需要一个副词修饰动词，结合英文提示，rapidly符合句意。故填rapidly。85taught【解析】句意：上学期刘老师教我们化学。根据“last term”可知，句子是一般过去时，动词用过去式，故填taught。86butterflies【解析】句意：看，在花丛中有一些蝴蝶正在飞。这是“there be+名词”的结构，be动词与离得最近的名词单复数保持一致，根据“there are”可知是复数概念，用“butterfl

51、y”的复数形式“butterflies”。故填butterflies。87natural【解析】【分析】句意：回收利用有助于节约自然资源。根据“resources”可知，前面需要一个形容词修饰名词，结合英文提示， natural符合句意。故填natural。88to build【解析】句意：在火箭俱乐部，我们将会学习如何建造火箭。疑问词how+动词不定式作动词learn的宾语，故填to build。89ability【解析】句意：山姆有与人相处的能力。an后接able的名词单数形式ability表示“能力”。故填ability。90without【解析】句意：所有的生物没有水是无法生存的。根据

52、“All the living things cant livewater.”及常识可知，生物没有水是无法生存的，without“没有”，故填without。91collector【解析】【分析】句意：我的梦想是成为一个集邮的人。根据“become a.of stamps”可知，此空需要一个名词，应该是成为一个集邮的人，结合英文提示，collector符合句意。故填collector。92information【解析】句意：这本书给了我们一些如何交朋友的信息。some修饰可数名词的复数形式或不可数名词，inform对应的名词是information“信息”，不可数名词，故填informatio

53、n。93successful【解析】句意：在未来，我怎么能成功？你必须先努力学习。根据become变成，系动词，后用形容词作表语；故填successful。94disagreed【解析】句意：他们想先打篮球，他不同意，因为他没有完成作业。根据because he didnt finish his homework.可知是不同意，过去时态；故填disagreed。95millions【解析】句意：在天上有数以百万计的星星。根据millions of数以百万计的；故填millions。96valuable【解析】句意：妈妈因为打破那个值钱的花瓶很生气。根据形容词修饰名词vase，valuable 有价值的，形容词；故填valuable。97worried【解析】句意：天气变得越来越糟糕，我们很担心它。根据be worried about担心；故填worried。98height【解析】句意：那个女孩多高啊！她的身高是多少？根据句意可知是身高，高度；故填height。99made【解析】句意：篮球队由11个队员组成吗？短语be made up由.组成；故填made。100putting【解析】句意：我们必须停止往海洋里倒垃圾。put放，放置，是一个动词。句中谓语动词是stop，意为“停止”，常用于句型stop doing sth.停止做某事，故这里填动名词形式putting。