专项训练 现在进行时练习题基础、提高、难题_汇总(含答案)
译林版中考英语九年级英语 there be结构练习题基础、提高、难题_汇总(含答案)
译林版中考英语九年级英语 there be结构练习题基础、提高、难题_汇总(含答案)一、there be结构1．____ used to be a lot of trees here, but now it has become a desert.A. ItB. WhatC. There【答案】 C【解析】【分析】句意：这里过去有许多树，但现在变成沙漠了。
空后有be动词，且翻译成“某地有”，用there be句型。
used to be过去是；What为疑问词，句后用问号。
故答案选C。
【点评】考查there be句型，注意be动词的形式。
2．There _____ a teddy bear（玩具熊） and some flowers on the table.A. hasB. haveC. isD. are【答案】 C【解析】【分析】句意：桌子上有一只泰迪熊和一些花。
there be+名词+其他，某处有某物；a teddy bear，可数名词单数，决定be的形式，要用is，故选C。
【点评】考查there be结构。
注意there be结构的就近原则。
3．There is little milk left in the bottle, ______?A. is itB. is thereC. isn't itD. isn't there【答案】 B【解析】【分析】句意：瓶子里几乎没有牛奶了，是吧？there be句型反义疑问句，用be+there的形式，little是否定词，没有，故是前否后肯，故选B。
【点评】考查there be句型，注意反义疑问句的用法。
4．—What's in the picture on the wall?—There a teacher and some students playing soccer on the playground.A. hasB. areC. isD. have【答案】 C【解析】【分析】句意：——墙上的画里是什么？——有一个老师和一些学生在操场上正在踢足球。
小升初专项训练题型之现在进行时(带答案解析)
小升初专项训练题型之现在进行时（带答案解析）基础题第I卷一、选择题1．The rats are ________．A．runing B．running2．What are you looking ______ ?A．for B．four3．What are you doing, Daming? I’m _________ an email to my friend.A. sendB. sendsC. sending4．Listen! She _______ in the classroom.A. is singingB. singC. to singD. is sing5．Is she _______ something?A. eatB. eatingC. eattingD. eats6．My dictionary _______, I have looked for it everywhere but still _______ it.A. has lost; don’t findB. is missing; don’t findC. has l ost; haven’t foundD. is missing; haven’t found 7．Nowadays science and technology _______ so rapidly.A. is changingB. has changedC. will have changedD. will change8．The building _______, I can’t stand the noise.A. was being builtB. is builtC. is being builtD. builds9．I can’t catch up with the fashion, because the clothes style _______ all the time.A. has changedB. is changedC. is changingD. changed10．The children _______ football.A. is playingB. are playingC. play theD. play a11．Look! Lucy is _______ a new bike today.A. jumpingB. runningC. ridingD. talking12．( ) The children _______ football.A. is pla yingB. are playingC. play theD. play a13．( ) Listen!She _______ in the classroom.A. is singingB. singC. to singD. is sing14．( ) My dictionary _______,I have looked for it everywhere but still _______ it.A. has lost; don’t findB.is missing; don’t findC. has lost; haven’t foundD.is missing; haven’t found15．( ) Nowadays science and technology _______ so rapidly.A.is changingB. has changedC.will have changedD. will change[*xx*k]二、填空题16．将下列句子改为现在进行时。
(完整版)现在进行时练习题150道(附答案)(可编辑修改word版)
现在进行时专项练习题150 道一、填空题1.Mr. Zheng (read) a book now.2.The rabbits (jump) now.3.. Look ! Tom and John (swim).4.My brother (make) a kite in his room now.5.Look! The bus (stop).6.We (have) an English class now.7.Listen! Someone is (come).8.They (catch) butterflies now.9.He (do) an experiment now.10.They (collect) stamps now.11.Look! He (dive) now.12.Tom ( watch ) TV in the dining room.13.The doctors (get ) off the bus.e on. They ( leave ) now.15.It (eat) fish now.16.My father (work) in the office now.17.Where is your mother?She (answer) the phone.18.The teachers (run) now.19.The boy (draw)a picture now.20.Listen! Some girls (sing)in the classroom .21.. My mother (cook)some nice food now.22.. What you (do) now?23. Look! They (have) an English lesson .24.They (not ,water) the flowers now.25.Look! the girls (dance )in the classroom .26.What is our granddaughter doing? She (listen ) to music.27.It's 5 o'clock now. We (have)supper now28.Helen (wash ) clothes? Yes, she is29.My brother the table for dinner now. (set)30.This lady her favourite show. (watch)二、改错题31.The TV no is working.32.I’m liking this album a lot.33.She sending a message to Billie.e on, the film’s start.35.She’s knowing Alfie very well.36.You going to Chinese classes?37.What are you thinking about the film?38.The price of food goes up at the moment.三、句型转换39.They are doing housework. (分别改成一般疑问句和否定句)①②40.The students are cleaning the classroom. (改一般疑问句并作肯定和否定回答)①②③41.I'm playing the football in the playground. (改为否定句)42.Tom is reading books in his study. (改为一般疑问句)43.My mother is cooking some nice food now. ( 改一般疑问句并作肯定和否定回答)①②③44.They are not watering the flowers now. (改为肯定句)45.The boy is playing basketball.否定句：一般疑问句：肯定回答：否定回答：对The boy 提问：46.造句:(1)she, the window, open, now. (用现在进行时连词成句.)(2)is, who, the window, cleaning? (连词成句)(3)She is closing the door now. (改成否定句)(4.) You are doing your homework. (用"I"作主语改写句子)(5)they, the tree, sing, now, under. (用现在进行时连词成句.)(6)The Young Pioneers are helping the old woman.(改成一般疑问句)四、用现在进行时完成下列句子47.What you (do)?48.I (sing) an English song.49.What he (mend)?50.He (mend) a car.51.you (fly) a kite? Yes, .52.she (sit) in the boat?53.you (ask) questions?54.We (play) games now.五、单项选择( ) 55.我在照看孩子.A.I am looking after the baby.B.I'm look aftering the baby.C.I look am aftering the baby.D.I looking after the baby.( ) 56. friend's making a kite.A. I, meB. My, myC. My, meD. His, his ( ) 57. Is the woman wearing yellow your teacher?A. inB. putting onC. wearingD. having ( ) 58. Look! The twins their mother do the housework.A. are wantingB. helpC. are helpingD. are looking ( ) 59. are the birds doing? They are singing in a tree.A. WhoB. WhatC. HowD. Where ( ) 60. Is she something?A. eatB. eatingC. eattingD. eats( ) 61. 你在干什么?A. What is you doing?B. What are you do?C. What are you doing?D. What do you do?( ) 62. What are you listening ?A. /B. forC. atD.to( ) 63. 我正在听他说话.A. I listening to him.B. I'm listening to him.C. I'm listen to him.D. I'm listening him.( ) 64. They are their clothes.A. makeingB. puttingC. put awayD. putting on ( ) 65. Listen! She in the classroom.A. is singingB. singC. to singD. is sing ( ) 66. Today Jim his white shirt and brown trousers.A. is putting onB. wearC. put onD. is wearing ( ) 67. are you eating? I'm eating meat.A. What, someB. Which, anyC. Where, notD. What, a ( ) 68. They TV in the evening. They do their homework.A. are watchingB. can't watchingC. don't watchD. don't watching ( ) 69. The children football.A. is playingB. are playingC. play theD. play a ( ) 70. They are flying kites.A. 他们喜欢放风筝B. 他们在放风筝吗?C. 他们在放风筝D. 他们常放风筝.( ) 71 Look! They are swimming in the river. I want you.A. to go withB. go withC. helpingD. help( ) 72. Look! Lucy is a new bike today.A. jumpingB. runningC. ridingD. takeing六、将下列句子改成现在进行时72.Tom speaks Chinese.73.We have four lessons.74.I watch TV.75.She works in a hospital.76.Kitty and Ben have lunch at about twelve.77.His father helps them.78.Danny, open the door.79.They watch TV .七、选择填空。
高中英语现在进行时常见题型及答题技巧及练习题(含答案)及解析
高中英语现在进行时常见题型及答题技巧及练习题(含答案)及解析一、单项选择现在进行时1．— Excuse me, can you show me the way to the nearest bus stop?—Sorry. I’m a stranger here. I ______ here until my guide arrives.A．stand B．have stoodC．am standing D．will stand【答案】C【解析】试题分析：考查时态的辨析。
由题目中的语境可知说话者说话的时候就站在那儿，到他的导游来之前，他都会一直站在那儿，这是一个动作的持续，故为现在进行时。
句意为：打扰一下，你能告诉我到最近的车站去的路吗？对不起，我在这儿是一个陌生人，直到我的导游到这儿来，我都要站在这儿。
故选C。
考点：考查时态的辨析。
2．—Sorry, I didn't catch you.—Be quiet, please; the baby ________.A．was sleeping B．is sleepingC．slept D．has slept【答案】B【解析】B 考察时态。
句义：—对不起，我没有听清楚。
—请安静，那个孩子正在睡觉。
由所设场景可知，那个孩子现在正在睡觉。
所以使用现在进行时。
3．–Oh, you said you’d tell me the latest news about the missing Malaysian Airlines flightMH370.-- Sorry, I with my work at hand. I to that.A．deal; will come B．was dealing; comeC．have dealt; have come D．have been dealing; am coming【答案】D【解析】试题分析：句意：--你说你要告诉我关于马航MH370的最新的消息。
高一英语现在进行时专项训练100(附答案)含解析
高一英语现在进行时专项训练100（附答案）含解析一、单项选择现在进行时1. —Excuse me, can you show me the way to the n earest bus stop?——Sorry. I ' m a stranger here. I _______ here until my guide arrives.A. standB. have stoodC. am standingD. will stand【答案】C【解析】试题分析：考查时态的辨析。
由题目中的语境可知说话者说话的时候就站在那儿，到他的导游来之前，他都会一直站在那儿，这是一个动作的持续，故为现在进行时。
句意为：打扰一下，你能告诉我到最近的车站去的路吗？对不起，我在这儿是一个陌生人，直到我的导游到这儿来，我都要站在这儿。
故选C。
考点：考查时态的辨析。
2. Since the band announced the release of their new album, the phone has n't stopped ringing.Many fans _______ to ask about the exact time.A. were callingB. had calledC. are callingD. call【答案】C【解析】C考察动词时态。
句意：自从那支乐队宣布了要发行新的专辑的消息，电话铃声就不停地响。
很多粉丝一直都打电话询问具体的发行时间。
根据句中的has n' t stopped ringing可知询问具体的时间内这件事情现阶段正在发生，应该使用现在进行时。
故C正确。
3. - Oh, you said you ' d tell me the latest news about tbingnMalaysian Airlines flight MH370.--Sorry, I— with my work at han d. I _o that.A. deal; will come B . was dealing; comeC. have dealt; have comeD. have been dealing; am coming【答案】D【解析】试题分析：句意：-你说你要告诉我关于马航MH370的最新的消息。
现在进行时 专项练习及答案详解
还可以在口语中常用来表示按计划或安排即将要发生的动作。例如：When shall I be expecting you this evening？今晚我几点等你？
考点：动词时态
考点：考查时态
10．They won’t buy any new clothes because they ________ money to buy a new car.
A．saveB．were savingC．have savedD．are saving
【答案】D
【解析】
用现在进行时表示现在正在进行的动作。
现在进行时 专项练习及答案详解
一、单项选择现在进行时
1．Justina book about his adventures in Tibet．I hope he can find a good publisher when it is finished．
A．was writingB．is currently writingC．has already writtenD．wrote
【答案】B
【解析】
这题考查时态，从后面的I hope he can find a good publisher when it is finished．
我希望他好后可以找个出版商，说明是现在正在写。选B。
2．Hi, Mike. I’ve to borrow your car this afternoon mine _______ in the garage.
6．—The constant noise around here______ me crazy！
现在进行时专项训练题及答案和解析
现在进行时专项训练题及答案和解析现在进行时是英语中的一种时态，用于表示正在进行或发生的动作。
在掌握和运用现在进行时时，我们需要了解其基本的构成方式和用法。
本文将为您提供现在进行时的专项训练题，同时包含答案和解析，帮助您巩固这一时态的学习。
一、现在进行时的构成方式现在进行时的构成方式是：•肯定句：主语 + be动词 + 现在分词（动词+ing）•否定句：主语 + be动词 + not + 现在分词•一般疑问句：Be动词 + 主语 + 现在分词？•特殊疑问句：疑问词 + Be动词 + 主语 + 现在分词？二、现在进行时的用法现在进行时主要用于表示以下几种情况：1.表示现在正在进行的动作：I am reading a book.（我正在看书。
）2.表示现阶段暂时的动作，可能不一定正在进行：He is studyingEnglish.（他正在学英语。
）3.表示计划或安排的将来动作：They are meeting at 5 o’clocktomorrow.（他们明天5点钟要开会。
）4.表示现阶段变化的动作：The weather is getting colder.（天气正在变冷。
）三、练习题1.They __________ TV at the moment. (watch)A. is watchingB. are watchingC. am watchingD. be watching2.What __________ right now? (you/do)A. are you doB. are you doingC. do you doD. do you doing3.Mary __________ at the library this afternoon. (study)A. is studyingB. are studyingC. am studyingD. be studying4.Look! The children __________ basketball in the park. (play)A. is playingB. are playingC. am playingD. be playing5.Why __________ so fast? (he/run)A. is he runB. are he runningC. does he runD. is he running四、答案和解析1.正确答案：B. are watching解析：根据题干中的。
现在进行时专项练习(含答案和解析)
现在进行时专项练习(含答案和解析)一、选择题1．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．am doing D．have done 2．— Hello. May I speak to Laura, please?—Sorry, she's not at home. She___________in the library.A．read B．reads C．is reading D．was reading 3．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking4．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting 5．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing 6．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having7．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．am using 8．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed 9．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning 10．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on 11．—What about going to the cinema? There’s a new movie called Hi, Mom.—Not now, I ________ my brother Tony with his English.A．help B．helped C．am helping D．have helped 12．Excuse me. I really need to go now. My children _____________for me at school.A．are waiting B．waits C．wait D．waited 13．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting. A．is preparing B．will prepare C．was preparing D．has prepared 14．— Lena, I guess you were in a hurry this morning. You ________ your sweater inside out.—Oh my god, I’ll have it changed immediately.A．wore B．are wearing C．were wearing D．have worn 15．Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back. The plane________.A．takes off B．is taking off C．has taken off D．took off16．—It's time for school. Why not get on the bus?—Linda hasn't come yet. I ___________for her.A．have waited B．am waiting C．was waiting D．waited 17．—Mary, let's go to the cinema. There’s a new movie called Avengers IV.—Not now, I _____________ my brother David with his math.A．help B．helped C．am helping D．have helped 18．—You look absent-minded. ________you ________someone?—Yes. An old friend of mine is coming. We haven't seen each other for a long time. A．Do; expect B．Are; expecting C．Were; expecting D．Did; expect 19．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening 20．— Tom, where is your little sister?— She _______ in the backyard now.A．is playing B．will play C．played D．plays 21．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．am watering C．watered D．have watered 22．—Lily, where is our father now? Go and get him for lunch.—Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made 23．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．are making D．were making 24．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling 25．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have 26．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．am doing C．did27．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep 28．— Tina, the TV show has already been on. Come and watch together.— Wait a moment. I ________ coffee in the kitchen.A．am making B．have made C．make D．made 29．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．are singing D．were singing 30．— Amy, can you answer the door? I ________ the room.—I’m coming, Mum.A．clean B．cleaned C．am cleaning D．have cleaned 31．You’d better not go this way. The workers _________ the road.A．have repaired B．are repairing C．repaired D．will repair 32．Mum ________ fish in the kitchen. It smells so good.A．cooks B．is cooking C．was cooking D．will cook 33．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing 34．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair 35．—Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.—I’m sorry about that.A．presents B．presented C．has presented D．is presenting 36．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out 37．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning 38．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing D．was washing 39．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．am using C．have used D．was using 40．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying【参考答案】一、选择题1．C【详解】句意：——Candy，你能帮我洗碗吗？——对不起，妈妈。
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专项训练现在进行时练习题基础、提高、难题_汇总(含答案)一、初中英语现在进行时1．The wonderful life in high school you look forward to ______.A. comingB. is comingC. cameD. was coming【答案】 B【解析】【分析】句意：你期待的精彩的高中生活即将来临。
in high school you look forward to做life的定语；句子缺了谓语，可排除A；主语life还没有出现，用将来时，come的现在进行时可表示一般将来，B项是现在进行时，D项是过去进行时。
故答案为B。
【点评】考查现在进行时表示将来。
come，go，leave等词的现在进行时可以表示将来发生的动作。
2．It's 9: 00 in the morning now. The students from Grade Nine ________ an important exam.A. haveB. hadC. are having【答案】 C【解析】【分析】句意：现在时早上9点。
九年级的学生正在考试。
根据now，可知句子的时态用现在进行时，其结构为be+doing形式，故选C。
【点评】考查动词的时态。
注意根据时间状语确定动词的时态。
3．— Where is your cousin?— He _______ an English exam now.A. hasB. hadC. has hadD. is having【答案】 D【解析】【分析】由句中now可知此句为现在进行时，现在进行时的结构为：主语+be+动词-ing。
故选D。
【点评】考查句子的时态。
4．—Alice, would you mind not playing the guitar? I on the phone.—Oh, sorry, Mom.A. talkedB. talkC. was talkingD. am talking【答案】 D【解析】【分析】句意：——Alice，你介意先别弹吉他吗？我正在打电话。
——对不起，妈妈。
根据would you mind not playing the guitar?可推知爱丽丝的妈妈正在接电话，用现在进行时am/is/are+现在分词。
故选D。
【点评】本题考查现在进行时，注意熟记结构am/is/are+现在分词。
5．Look! Some visitors _________ for the bus over there．A. are waitingB. is waitingC. waitingD. wait【答案】A【解析】【分析】句意：看，一些参观者正在那边等公共汽车。
根据句首的look ,可知是此时正在进行的动作，应该用现在进行时，be+doing,主语是visitors，复数，be 动词应该用are,故选A。
【点评】考查现在进行时。
掌握现在进行时的意义和构成。
is/are /am +doing 表示此刻正在进行的动作。
6．Don't take the dictionary away. I ________ it.A. useB. usedC. am usingD. have used【答案】 C【解析】【分析】句意：不要拿走字典，我正在用。
本题前后两句是因果关系，根据“Don't take the dictionary away.”可知，后句应使用进行时态，故选C。
【点评】时态的辨析在于分清动词发生的时间及存在的状态。
7．—Look out! Something____ down from the building.—Dear me! It's too dangerous.A. fellB. fallsC. is falling【答案】 C【解析】【分析】句意：——小心!有东西从楼里掉了下来。
——天哪！太危险了。
A过去时．B第三人称单数．C现在进行时态．由"小心!"，可知，应该是一些东西正在…，用现在进行时态，结构是is/am/are+动词的现在分词．这里用is falling．答案是C【点评】考查现在进行时。
8．— I can't find Jimmy. Where is he?— He in the garden at the moment.A. worksB. will workC. is working【答案】C【解析】【分析】句意：—我不能找到吉姆，他在哪儿？—此刻他在花园里工作。
根据at the moment可知用现在进行时态；故答案选C。
【点评】考查现在进行时态。
9．—Hello, may I speak to Mr. Smith?—Oh, sorry! He _____ a meeting now.A. hasB. hadC. is havingD. will have【答案】 C【解析】【分析】句意：——你好，我可以和史密斯先生说吗？——哦，对不起，他现在正在开会。
A.一般现在时；B.一般过去时；C.现在进行时；D.一般将来时。
now是现在进行时的标志词，结构是be doing，主语是he，所以be用is，have用having，故选C。
【点评】考查现在进行时，注意平时识记其结构和标志词。
10．—Shall we play tennis now?—Sorry, I can't. I my homework.A. doB. didC. have doneD. am doing【答案】 D【解析】【分析】句意：—我们现在打网球去好吗？—对不起，我不能去，我在做作业。
A. do 做，用于一般现在时态，主语复数时； B. did做，用于一般过去时态； C. have done 做，用于一般现在完成时态； D. am doing做，用于现在进行时态，主语是I时；根据now可知用现在进行时态，故选D。
【点评】考查现在进行时态。
11．Mom, someone _________. Please pick up the phone.A. has calledB. is callingC. will callD. was calling【答案】 B【解析】【分析】句意:妈妈，有人在打电话，请接电话。
has called是call的现在完成时形式，is callng是call的现在进行时形式;will call是call的一般将来时形式;was calling 是过去进行时形式。
根据please pick up tha phone。
语境该用现在进行时，所以选B12．Listen, someone ________ in the next room.A. singsB. is singingC. sangD. sing【答案】 B【解析】【分析】句意：听，有人在隔壁唱歌。
listen，快听，是现在进行时的标志，be doing，故谓语是is singing，故选B。
【点评】考查现在进行时，注意listen是现在进行时的标志。
13．—It seems that you are very busy these days.—That's true. I ________ for the coming English test.A. am preparingB. preparedC. preparesD. have prepared【答案】 A【解析】【分析】句意：——这几天你似乎很忙。
——是的，我正在准备即将到来的英语测试。
these days，这几天，是现在进行时的标志，be doing，故选A。
【点评】考查现在进行时，注意时态标志these days。
14．—It is too noisy outside. What's up？—Oh, some children ______________football in the yard.A. playedB. will playC. are playingD. have played【答案】 C【解析】【分析】句意：——外面太吵了，怎么了？——奥，一些孩子正在院子里踢足球.。
A.一般过去时；B.一般将来时；C.现在进行时；D.现在完成时。
根据前句It is too noisy outside.外面太吵了，可知外面太吵时一些孩子正在做什么，可知时态为现在进行时，结构是be+doing，表动作正在进行，主语children是复数，所以be用are，故答案选C。
【点评】考查现在进行时，注意平时识记其结构，理解句意。
15．These days, our government _____hard on rubbish classification.A. workB. is workingC. workedD. will work【答案】 B【解析】【分析】句意：最近，我们的政府正在努力进行垃圾分类。
A. work一般现在时；B. is working现在进行时；C. worked一般过去时；D. will work一般将来时。
these days：这些天，最近，如今；一般用于现在进行时或一般现在时。
本句主语our government第三人称单数，一般现在时，谓语动词应使用单数，可排除A，故填is working，故选B。
【点评】考查动词时态。
注意现在进行时的用法。
16．—Daming, Jim didn't come to school today. Do you know why?—Yes. He's had a bad cold. He _______ at home and won't be back until next Tuesday.A. staysB. is stayingC. has stayedD. will stay【答案】 B【解析】【分析】句意：——大明，Jim今天没来上学。
你知道为什么吗？——是的。
他得了重感冒。
他现在呆在家里，知道下星期二才能回来。
根据语境可知他现在呆在家里，表示现阶段正在进行的动作要用现在进行时，故选B。
【点评】考查动词时态，根据语境选出合适的时态，确保语句通顺。
17．Keep quiet, Tom. Your sister in her room.A. studiesB. has studiedC. is studyingD. studied【答案】 C【解析】【分析】句意：保持安静，汤姆。
你妹妹在她的房间里学习。
根据Keep quiet,可以推测现在他妹妹在房间里睡觉，表示正在进行的动作，要用现在进行时be+现在分词。