By the time I _____ back they ____ up ten satellites.

A. came…h(huán)ave sent B. came…h(huán)ad sent

C. come…h(huán)ave sent D. had come…sent

B 【解析】句意：當(dāng)我回來的時(shí)候，他們已經(jīng)發(fā)送了10顆衛(wèi)星。By the time引導(dǎo)的時(shí)間狀語從句，主語是過去完成時(shí)，從句用一般過去時(shí)態(tài)，第一個(gè)是一般過去時(shí)態(tài)，短語come back表示回來；短語sent up表示發(fā)送，這里是過去完成時(shí)，其結(jié)構(gòu)是had done的形式。根據(jù)題意，故選B。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：初中英語 來源：人教版八年級(jí)英語上冊(cè)Unit 1 Where did you go on vacation 單元測(cè)試卷 題型：單選題

What you every weekend when you were in Grade 7?

A. will; do B. did; do

C. do; do D. are; doing

B 【解析】 句意：當(dāng)你上七年級(jí)的時(shí)候每個(gè)周末你都做什么？will…do將會(huì)做…，是一般將來時(shí)態(tài)；did…do是一般過去時(shí)態(tài)，did是助動(dòng)詞；do…do第一個(gè)do是助動(dòng)詞，第二個(gè)do是實(shí)意動(dòng)詞，這是一個(gè)一般現(xiàn)在時(shí)，疑問句形式；are…doing正在做，是現(xiàn)在進(jìn)行時(shí)態(tài)。根據(jù)句中的情景when you were in Grade 7可知，這里說的是7年級(jí)時(shí)候的事情，是過去的，應(yīng)用一般過去時(shí)...

查看答案和解析>>

科目：初中英語 來源：2018人教版八年級(jí)英語下期 Unit1- 2單詞拼寫 專題復(fù)習(xí) 題型：單選題

You drive your car so fast. It’s dangerous.

A. wouldn’t B. shouldn’t C. couldn’t D. mightn’t

B 【解析】 試題分析: 句意：你不該開那么快。太危險(xiǎn)了。wouldn’t不會(huì)，shouldn’t 不應(yīng)該，couldn’t不能， mightn’t不可以。根據(jù) It’s dangerous太危險(xiǎn)了，可知選B.

查看答案和解析>>

科目：初中英語 來源：人教版八年級(jí)下一般過去時(shí)和現(xiàn)在完成時(shí)練習(xí)題 題型：單選題

Mr Black __________ in China since five years ago.

A. lived B. has lived C. lives D. is going to live

B 【解析】句意：自從五年之前，Mr Black就已經(jīng)住在中國了。根據(jù)時(shí)間狀語since five years ago可知，用現(xiàn)在完成時(shí)，其結(jié)構(gòu)是have done的形式。根據(jù)題意，故選B。

查看答案和解析>>

科目：初中英語 來源：人教版八年級(jí)下一般過去時(shí)和現(xiàn)在完成時(shí)練習(xí)題 題型：單選題

People ____ that the soldiers _____ fighting.

A. say…h(huán)ad stopped B. said…h(huán)as stopped

C. say…stopped D. said…h(huán)ad stopped

D 【解析】句意：人們說士兵們已經(jīng)停止戰(zhàn)斗了。根據(jù)語境可知主句是一般過去時(shí)態(tài)，從句動(dòng)作發(fā)生在主句之前，用過去完成時(shí)，其結(jié)構(gòu)是had done的形式。根據(jù)題意，故選D。

查看答案和解析>>

科目：初中英語 來源：人教版八年級(jí)下一般過去時(shí)和現(xiàn)在完成時(shí)練習(xí)題 題型：單選題

______ the baby still _____ ? No, it _______ crying.

A. Has…cried…h(huán)as stopped B. Is…crying…stopped

C. Did …cry…stopped D. Is…crying…h(huán)as stopped

D 【解析】句意：那個(gè)嬰兒還在哭嗎？不，它已經(jīng)停止了哭。根據(jù)語境可知第一句子是現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)是be doing的形式。主語是單數(shù)用is。第二個(gè)空是現(xiàn)在完成時(shí)，其結(jié)構(gòu)是have done的形式。短語stop doing sth.表示停止做某事。根據(jù)題意，故選D。

查看答案和解析>>

科目：初中英語 來源：人教版八年級(jí)下一般過去時(shí)和現(xiàn)在完成時(shí)練習(xí)題 題型：單選題

“He ____to draw horses already”. “When ______ he ?” “ Last year “

A. learned…h(huán)as B. learned…did

C. has learned…h(huán)as D. has learned…did

D 【解析】句意：他已經(jīng)學(xué)著畫房子了。他什么時(shí)候?qū)W的？去年。根據(jù)語境可知第一空是現(xiàn)在完成時(shí)，其結(jié)構(gòu)是have done的形式，主語是單數(shù)，助動(dòng)詞用has。根據(jù)下文時(shí)間狀語last year，可知是一般過去時(shí)態(tài)，用助動(dòng)詞did。根據(jù)題意，故選D。

查看答案和解析>>

科目：初中英語 來源：福建省龍巖市2018屆九年級(jí)適應(yīng)性練習(xí)英語試卷（三） 題型：單選題

Jim, your vegetables, because balanced diet is important.

A. eat up B. drink up C. clear up

A 【解析】句意：吉姆，把你的蔬菜吃掉，因?yàn)榫獾娘嬍澈苤匾�。考查�?dòng)詞短語辨析題。eat up吃光；B. drink up痛飲；C. clear up處理。vegetables蔬菜，是食物；根據(jù)句意語境，可知eat up合乎句意，故選A。

查看答案和解析>>

科目：初中英語 來源：江蘇省興化市顧莊學(xué)區(qū)2017-2018學(xué)年八年級(jí)下學(xué)期期末考試英語試卷 題型：完型填空

We are lucky to live in a rich country where we have many things. However, most of us usually____ some things.

Electricity(電) is one thing that we waste _____. Lights, TVs, ___ and other things are often kept on even when no one is using them. We should turn them off when we do not need them. It ______ less than a second to do it. Anyway, not wasting electricity saves money, because we do not have to ___ the electricity we do not use.

The second thing that we often waste is water. Fresh water is precious(寶貴的)，____it shouldn’t be wasted. It is only a simple matter of turning off a tap. I am sure ___ can do this easily if he wants to.

___ big waste is food. My mother ___ cook so much food that much of it was thrown away. I told her we had wasted so _____ food. She thought I was right and now cooks ______what we can eat.

It is not ______ to waste anything. I find there is a simple ______of not wasting things. That is to use only what we ______. Do not touch what we do not need. ______ this way we can stop being wasteful.

1.A. use B. wash C. waste D. forget

2.A. little B. most C. few D. least

3.A. radios B. apples C. bikes D. doors

4.A. brings B. costs C. keeps D. takes

5.A. buy B. save C. pay for D. care for

6.A. though B. because C. so D. but

7.A. nobody B. something C. everybody D. nothing

8.A. Others B. Other C. Another D. The other

9.A. planned to B. used to C. was able to D. was afraid to

10.A. little B. much C. few D. many

11.A. mainly B. only C. quickly D. badly

12.A. right B. fine C. bad D. possible

13.A. way B. thing C. plan D. project

14.A. buy B. need C. bring D. get

15.A. On B. In C. For D. At

1.C 2.B 3.A 4.D 5.C 6.C 7.C 8.C 9.B 10.B 11.B 12.A 13.A 14.B 15.B 【解析】本文講述了我們很幸運(yùn)的生活在一個(gè)擁有很多東西的國家，但是大部分人都存在浪費(fèi)的行為。文中主要列舉了電的浪費(fèi)，水的浪費(fèi)和食物的浪費(fèi)，另外作者也呼吁人們停止浪費(fèi)。 1.考...

查看答案和解析>>

同步練習(xí)冊(cè)答案