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    --- Has the doctor arrived yet? --- No, she an hour ago. A. has to come B. ought to have come C. should come D. used to come 【查看更多】

     

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    — Has the doctor arrived yet?
    — No, she _____ an hour ago.
    [     ]
    A. has to come
    B. ought to have come 
    C. should come
    D. used to come

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    -----Has the doctor arrived yet?

    -----No,she _______an hour ago.

    A.has to come　 B.ought to have come　 C.should come　　 D.used to come

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    —Has the doctor arrived yet?

    —No, she ________ an hour ago.

    [　　]

    A．has to come
    B．ought to have come
    C．should come
    D．used to come

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