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1.I don't think he could have done such a stupid thing last

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1.I don't think he could have done such a stupid thing last night ,____
A.did he
B.could he
C.do I
D.hasn't he
2.I need one more stamp before my collection ____ .
A.had completed
B.completes
C.has been complted
D.is complted
3.The air pollution of the city ____ by 20 percent thanks to the strict measures taken by the government .
A.has been fallen down
B.has been increased
C.has been reduced
4.It is up to you decide whether to ____ physics or chemistry .
A.take off
B.take on
C.take in
D.take up
5.____ ,I have never seen anyone who's as capable as John .
A.As much as I have traveled
B.Now that I have traveled
C.Much as I have traveled
D.As I have traveled
不会的就不要来回答.
免得别个那些来回答的看到了丢人.
放心,
所以,要的快来撒.
200分是让你写两个ABC嘛?
如果是这样我还不如自己乱duó上去不就行嘛?
找你们做豁子哦?
1.A
选择这个答案主要是因为last night ,有这样个句子看了你就知道了.
He must have been there ,hasn't he
记住了:像think believe suppose 这类词语在反意疑问句中要根据从句来看.这只是一般规律.有情态动词要另当别论.这个题就是很好的例子.
2.D
这个题重要是before这个词来看的.
3.B
这个题首先要看那个 thanks to (多亏),就可以看出句子的意思是空气污染减少了.那么从选项和空后面的 by 20 percent 来看就是要选reduce.
reduce by 减少了
reduce to 减少到
4.D
这个题主要是考查的四个选项之间的意思差别.
take off 成功 起飞 脱衣服
take on 呈现(面貌) 具有(特征)
take in 理解 欺骗
take up 从事 选修 占空间
5.C
这个题考查的是关于as的固定搭配.
名词+as+主语+be
形容词+as+主语+be
副词+as+主语+动词
动词+as+主语+助动词
以上这四个固定搭配都表示“尽管”.同时as可以换作though.