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    30．一Why didn’t you respond to their greeting? -Sorry．I they to me． A．don't realize,are waving B．don’t realize,were waving C．didn’t realize,were waving D．didn’t realize,are waving 【查看更多】

     

    题目列表(包括答案和解析)

    一Why didn’t you try your best to get on the bus?

    一I tried to，but   I could，it started moving．

    A．when

    B．after

    C．until

    D．before

     

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    一Why didn’t you try your best to get on the bus?

    一I tried to，but ______ I could，it started moving．

    A．until        B．when        C．before          D．after

     

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    一Why didn’t you attend the party        in the hall the other day?

        一I just wanted some quiet time by myself．

    A．held       B．being held    C．to be held      D．holding

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    一Why didn't you come to Mike’s birthday party yesterday?

    —Well，I　　 , but I had something important to do at the moment.

    A．should　 　 B．must　 　 C．should have 　 　　　 D．must have

     

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    一 Why didn't you remind him of the possible danger?
    一 But what _____ otherwise? He never listens to me.
    [     ]
    A. could I do
    B. could I have done
    C. should I do 
    D. must I have done

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