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These animals are in danger. We should think to protect them.

A. what can we do B. what we can do

C. how can we do D. how we can do

B 【解析】解析：句意：這些動(dòng)物正處于危險(xiǎn)之中，我們應(yīng)該想想我們能做些什么來(lái)保護(hù)它們。本題考查賓語(yǔ)從句的用法。think后接賓語(yǔ)從句，賓語(yǔ)從句的語(yǔ)序要用陳述句的語(yǔ)序，what作為do的賓語(yǔ)，而how則不能作為do的賓語(yǔ)。故正確答案為B。

一Excuse me．Do you know _______ to buy some apples?

一Sure。there’s a supermarket next to the bank．

A．where I can go B．who will help me

C．what I should take D．when is the right time

A 【解析】 試題分析：句意：一對(duì)不起。你知道可以去哪里買一些蘋(píng)果嗎？一當(dāng)然。銀行旁邊有一家超市。在賓語(yǔ)從句中只能用陳述句語(yǔ)序，結(jié)合答語(yǔ)there’s a supermarket next to the bank可知該選A。

(2012廣東河源)—Could you please tell me________？

—They’re over there．

A. where are the restrooms

B. where were the restrooms

C. where the restrooms are

D. where the restrooms were

C 【解析】賓語(yǔ)從句的語(yǔ)序應(yīng)是陳述句語(yǔ)序，排除A、B項(xiàng)。Could you please…？是表示禮貌請(qǐng)求的句型，因此本句主句不是一般過(guò)去時(shí)，由答語(yǔ)They’re over there．也可知用一般現(xiàn)在時(shí)。所以選C。

---Did you enjoy the party last night?

---Very much. _______ wonderful the party was!

A. What B. How C. What a D. How a

B 【解析】試題分析: 句意：昨晚的晚會(huì)你玩的開(kāi)心嗎？非常開(kāi)心，這個(gè)晚會(huì)真棒！。感嘆句的結(jié)構(gòu)為how+adj+n或what +n ，故選B。

Judy with her brother ________ computer games when their mother came back.

A. were playing B. are playing C. was playing D. is playing

C 【解析】句意：當(dāng)他們的母親進(jìn)來(lái)的時(shí)候，Judy和她的弟弟正在玩電腦游戲。這里是when引導(dǎo)的時(shí)間狀語(yǔ)從句，當(dāng)某個(gè)動(dòng)作發(fā)生的時(shí)候，某個(gè)動(dòng)作正在進(jìn)行，從句是一般過(guò)去時(shí)態(tài)，主句用過(guò)去進(jìn)行時(shí)，其結(jié)構(gòu)是be doing的形式，主語(yǔ)是Judy，with her brother在這里是介詞短語(yǔ)做伴隨狀語(yǔ)，這里的be動(dòng)詞用was，根據(jù)題意，故選C。

The doctor suggests _________ more vegetables.

A. to eat B. eating C. to eating D. not to eat

B 【解析】句意：醫(yī)生建議吃更多的蔬菜。短語(yǔ)suggest doing sth.表示建議做某事。根據(jù)題意，故選B。

There are ______ floors in the building and my home is on the _____ floor.

A. twenty; fifteenth B. twenty; fifteen C. twentieth; fifteenth D. twentieth；fifteen

A 【解析】句意：在這個(gè)建筑物里有20層樓，我家住在第15層樓。第一個(gè)空表示有多少層用基數(shù)詞，第二個(gè)空表示住在第幾層樓，用序數(shù)詞fifteenth，根據(jù)題意，故選A。

—Must I be home before eight o'clock, Mum?

—No, you ________.But you have to come back before ten o'clock.

A. mustn't B. can't C. needn't D. won’t

C 【解析】句意：——媽媽，在八點(diǎn)之前我必須在家嗎？——不，你不必，但是在10點(diǎn)之前你必須返回來(lái)。A. mustn't禁止； B. can't不能；C. needn't不必；D. won’t不會(huì)。對(duì)于must開(kāi)頭的一般疑問(wèn)句的，做否定回答用needn't，根據(jù)題意，故選C。

—It’s too late. I have to go now.

—Oh, it’s raining outside. Don’t leave ______ it stops.

A. since B. until C. while D. when

B 【解析】試題分析：句意：---太晚了。我不得不走了。---外面正在下雨，知道雨停了，你再離開(kāi)。此題考查連詞，not…until直到……才。根據(jù)句意，應(yīng)選B。

I am sorry _________ you,but where is the post office?

A. trouble B. troubling C. to trouble D. trouble

C 【解析】句意：對(duì)不起打擾你了，但是郵局在哪？be sorry to do sth.表示抱歉做某事。根據(jù)題意，故選C。