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    科目： 来源：不详 题型：单选题

    —Mum,       I watch TV now ?
    —No, you        finish your homework first.
    A．may, needB．can, have toC．do, mustD．may , must

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    科目： 来源：不详 题型：单选题

    —Who’s that boy reading in the study ? Is it David?
    —It __________ be David. I saw him go home just now.
    A．must B．can’tC．mayD．shouldn’t

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    科目： 来源：不详 题型：单选题

    Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
    A．mustn’t B．ought not toC．needn’t D．don’t have to

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    科目： 来源：不详 题型：单选题

    — Dad, must we wait until the light becomes green?
    — Yes, I’m afraid we ______. That’s the traffic rule.
    A．canB．mayC．have toD．need

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    科目： 来源：不详 题型：单选题

    —Tom can’t find his gloves. Are these blue gloves his?
          —No, they ______ be his. His gloves are black.
    A．mustB．mayC．can’t D．mustn't

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    科目： 来源：不详 题型：单选题

    — Must we send our plan this week?
    — No, you ______.
    A．mustn’tB．can’tC．shouldn’tD．needn’t

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    科目： 来源：不详 题型：单选题

    — ______ you sing the English song?
    — Yes, I can. But only a little.
    A．CanB．MayC．MustD．Need

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    科目： 来源：不详 题型：单选题

    You _______ cross the road when the traffic lights are red.
    A．canB．mustC．mustn’tD．needn’t

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    科目： 来源：不详 题型：单选题

    —________I complete so much my homework now?
    — No, you ________.You can do it after supper.
    A．May; ought not to B．Should; can’t
    C．Can; mustn’t D．Must; needn’t

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    科目： 来源：不详 题型：单选题

    — Is Mr. Smith driving here?
    —I’m not sure. He ______ come by subway.
    A．mayB．shallC．need D．must

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