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Not until I began to work__how much time I had wasted．A.didn't I realize B.did I realize C.I didn't realize D.I realized

题目
Not until I began to work__how much time I had wasted．

A.didn't I realize
B.did I realize
C.I didn't realize
D.I realized
参考答案和解析
答案：B
解析：
在具有否定意义的词起始的句子中，主句中的主语和谓语要倒装。倒装时，助动词移至主语前面，实意动词仍在主语之后。
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相似问题和答案

第1题：

Only when I began to do it ____ that I had made a mistake.

A I realized B I had realized C did I realize D would I realize


正确答案：C

第2题：

_______ got to the hotel yesterday evening when it began to rain heavily.

A. No sooner I had

B. No sooner had I

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正确答案：D

第3题：

When it was announced that I was the winner of the award, for the first time in three months I felt that I had achieved().

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参考答案：B

第4题：

The house rent is expensive.I’ve got about half the space I had at home and I'm paying ( ) here.

A、three times as much

B、as much three times

C、much as three times

D、as three times much


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第5题：

I’d go with you on the trip, but I ___ no time.

A.have

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答案：A

第6题：

Not until I got to the railway station ______my ticket missing.

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正确答案：B
6．答案为B  我到火车站才发现车票没了。not until置句首时，主句主谓倒装，可排除A、

第7题：

Not until______ the whole thing to him ______that he was wrong.

A. had I explained, he realized

B. had I explained, that he realized

C. I had explained, that he realized

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正确答案：D
20．答案为D  参考译文：直到我向他解释了全部事情之后，他认识到他错了。此句考查倒装句。否定词在句首，主句中主语和谓语要倒装，而状语从句中主谓不倒装。

第8题：

I failed again in the examination and only then I had realized how much time I had wasted.()

此题为判断题(对，错)。


参考答案：错

第9题：

It was not until the train had left _____ the station.

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B.did I get to

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D.that I reached


答案：D

第10题：

( ) I had time, I would have gone over to see her.

A.Did

B.Were

C.Had

D.If


正确答案：C

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