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    科目： 来源： 题型：022

    To be well informed,we should be　　 commu-nication　　 each

    other　　 what happens to us.

    A.on;for;about　　　　　　　　　　　　　　　　　B.in;for;for?

    C.with;by;at　　　　　　　　　　　　　　　　　　 D.in;with;about?

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    科目： 来源： 题型：022

    In winter we should _________coal in order not to pollute the air.

    A.stop to use

    B.stop using

    C.stop to be used

    D.stop to using

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    科目： 来源： 题型：022

    —You should have attended the opening ceremony yesterday,what was it that _____ you? ?

    —Oh,my father was suddenly ill,and I had to send him to hospital.?

    A.held?

    B.stopped?

    C.lasted?

    D.took?

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    科目： 来源： 题型：022

    —Lucy doesn't mind leading you her dictionary.?

    —She _________.I've already borrowed one.?

    A.can't　　　　　　　　　　　　　　　　　　 B.mustn't?

    C.needn't　　　　　　　　　　　　　　　　　　　　 D.shouldn't?

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    科目： 来源： 题型：022

    When I went out it happened _______ .?

    A.to rain 　　　B.rain ?

    C.to be raining D.raining?

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    科目： 来源： 题型：022

    Although the causes of cancer _________,we do not yet have any practical way to prevent it.?

    A.are being uncovered?

    B.have been uncovering?

    C.are uncovering?

    D.have uncovered?

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    科目： 来源： 题型：022

    in return/as a return/by return

    (1)Give him something valuable _________ of his help.?

    (2)I saved him while he cheated me _________.?

    (3)Your mum is in a worry.Please ___________ of post.?

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    科目： 来源： 题型：022

    No sooner _______ than it began to rain heavily.?

    A.the game began?

    B.has the game begun?

    C.did the game begin ?

    D.had the game begun?

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    科目： 来源： 题型：022

    I'm certain David's told you his business troubles. _________，it's no secret that he owes a lot of money to the bank．?

    A.However　　　　 B.Anyway　　　　　　 C.Therefore　　　　 D.Though?

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    科目： 来源： 题型：022

    I have ____ slight acquaintance _______ ?English.??

    A.a;to　　　　　　　　 B.a;with?

    C./;with　　　　　　　　 D./;to?

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