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    -I posted the letter a week ago. -Then they the letter by now. It usually takes four days. A. can have received B. must receive C. should receive D. ought to have received 【查看更多】

     

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    -I posted the letter a week ago.

    -Then they ________ the letter by now. It usually takes four days.


    1. A.
      can have received
    2. B.
      must receive
    3. C.
      should receive
    4. D.
      ought to have received

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    — I posted the letter a week ago.    
    — Then they________the letter by now. It usually takes four days.    
    [     ]
    A. can have received          
    B. must have received    
    C. would have received          
    D. should have received

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    －I posted the letter a week ago.

    －Then they ________ the letter by now. It usually takes four days.

    [　　]

    A．can have received

    B．must receive

    C．should receive

    D．ought to have received

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    －I posted the letter a week ago．

    －Then they ________ the letter by now．It usually takes four days．

    [　　]

    A．must receive

    B．can have receive

    C．should have receive

    D．ought to have received

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