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    -Have they taken measures to control the spread of the disease? -No, they haven’t. They don’t seem to be of its danger. A. aware B. cautious C. afraid D. careful 【查看更多】

     

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    No sooner _____ themselves in their seats in the theatre _______ the curtain went up.

           A．they have settled; before  B．had they settled; than

           C．have they settled; when   D．they had settled;than

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    Listen to the two girls by the window．What language_________?      

    A．did they speak

    B．were they speaking

    C．are they speaking

    D．have they been speaking

     

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    31. —How long_________each other before they_________married?

    —For about a year.

    A．have they known, get

    B．did they know, were going to get

    C．do they know, are going to get

    D．had they known, got

     

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    The old couple married for 40 years and never once____ with each other.

    A. they had quarreled.       B. they have quarreled     

    C. have they quarreled      D. had they quarreled.

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    Listen to the two girls by the window. What language ________?

    A. did they speak                        B. were they speaking

    C. have they been speaking          D. are they speaking

     

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