_______ his return from America, he got down to his research

试卷相关题目

• 1--- Do you know the most ancient city in China ─ Xi'an well? ---No, this is the first time I ______here.

  A.came

  B.have come

  C.am coming

  D.come

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• 2Don't worry. It won't be long ______we see each other again.

  A.before

  B.since

  C.until

  D.as

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• 3There is _______ in persuading him when he turns a deaf ear to you.

  A.no use

  B.no wonder

  C.no good

  D.no point

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• 4______ is no good ______ without doing anything.

  A.This...talking

  B.It...to speak

  C.It…talking

  D.That...to say

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• 5We are so tired. ______ we could take the day off tomorrow!

  A.Only if

  B.What if

  C.If only

  D.If so

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• 6How long do you think it will be _______ scientists succeed in providing a cure for cancer?

  A.when

  B.after

  C.since

  D.before

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• 7Our senior high school has _____ students as my junior high school.

  A.as twice

  B.twice many

  C.twice many as

  D.twice as many

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• 8All those second-hand goods are sold at ______ before.

  A.30% as lower price as

  B.as 30% low price as

  C.30% as low a price as

  D.30% lower price than

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• 9--- ______ someone says something negative about me? ---Just ignore it.

  A.As is

  B.what if

  C.Even if

  D.Only if

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• 10______ it rains when we can't find a place to escape from the rain?

  A.What if

  B.How come

  C.What about

  D.How about

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