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    It is written clearly in the requirements that all passengers check onto board thirty minutes before the plane takes off. A.may C.will D.shall 答案 D 【查看更多】

     

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    It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off.

       A. may         B. can         C. will       D. shall

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    It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off．

    A. may??? ???? B. can? ?? ? ? C. will ????? D. shall

     

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    It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off．

       A. may         B. can         C. will       D. shall

     

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    It is written clearly in the requirements that all passengers        check onto board thirty minutes before the plane takes off.

           A．may  B．can    C．will   D．shall

     

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    It is written clearly in the requirements that all passengers        check onto board thirty minutes before the plane takes off.

        A．may  B．can             C．will  D．shall

     

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