练习册

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  • 试题
    can 表示说话人能, 可以, 同意, 准许, 以及客观条件许可, could 为 can 的过去式. Can you pass me the books? 你能给我递一下书吗 ? Could you help me, please? 请问, 你能帮助我吗? What can you do? 你能干点什么呢? Can you be sure? 你有把握吗? can 和could 只能用于现在式和过去式两种时态.将来时态用be able to 来表示. He could help us at all. 他完全可以帮助我们. With the teacher’s help, I shall be able to speak English correctly. 有老师的帮助, 我将能准确地讲英语. 【查看更多】

     

    题目列表(包括答案和解析)

    ---Who can it be that hasn’t handed in his composition?

    ---It ______ be Robinson. He ______ it in yesterday.

    A．will; should hand

    B．must; should have handed

    C．may; can’t hand

    D．can; could have handed

     

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    ---Who can it be that hasn’t handed in his composition?

    ---It ______ be Robinson. He ______ it in yesterday.

    A．will; should hand

    B．must; should have handed

    C．may; can’t hand

    D．can; could have handed

     

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    — _______ I ask you something, if you are not busy?

    —Yes, of course you _______.

    A. Should; should               B. Could; can

    C. Could; could          D. Can; Could

     

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    —Who ________ it be that hasn't handed in his composition?

    —It ________ be Robinson.He ________ it in yesterday.

    A．can; will; should hand

    B．can; must; should have handed

    C．may; may; can't have handed

    D．will; can; could have handed

     

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    —Who ________ it be that hasn't handed in his composition?

    —It ________ be Robinson.He ________ it in yesterday.

    A. can; will; should hand

    B. can; must; should have handed

    C. may; may; can't have handed

    D. will; can; could have handed

     

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