练习册

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    can.may.must的肯定句 You may eat lunch.but you must wash your hands. 你可以吃饭.但是你必须洗手. (1)can a.表示能力,能.会 She can run fast.but I can't. 她很会跑.但是我不会. b.表示可能,能够 I can get there in ten minutes. 我十分钟之后就可以到那儿. c.表示允许,许可 You can use this dictionary. 你可以用这本字典. 和be able to比较 can只有现在式和过去式.而be able to可以用于各种时态. can表示能力时.可用be able to代替. I canpay for the book. 我买得起那本书. He will be able to tell you the news soon. 他很快就能告诉你消息了. She has been able to come to school. 她已经能去学校了. (2)may a.表示请求.许可 May I borrow your pen? 我可以借你的钢笔用一用吗? b.可能.或许 Tomorrow I may go shopping. 明天.我可能去商店买东西. He might be our new teacher. 他或许是我们的新老师. (3)must a.必须.应该(表示有做某一动作的必要或义务) You must buy a ticket. 你必须买一张票. b.一定.准是(表示有把握的判断或推测.一般只用于肯定句中) 在You must这一句型中.它的意思与祈使句相同. You must get up early. =Get up early. 你必须早起. You must study hard. =Study hard. 你必须用功读书. He must be our new teacher. 他肯定是我们的新老师. 【查看更多】

     

    题目列表(包括答案和解析)

    Mary ________ be in Paris, I saw her in town only a few minutes ago．


    1. A.
      mustn't
    2. B.
      shouldn't
    3. C.
      can't
    4. D.
      may not

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    If you________go, at least wait until the storm is over.

    A. can 

    B. may

    C. must 

    D. will

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    “You say you __________ do this, but I say, you ________ do it!” said the boss.

    A．should not; will

    B．can not; may

    C．will not; shall

    D．will not; will

     

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     The police still haven’t found the lost child, but they’re doing all they       .

    A. can                          B. may                          C. must                        D. should

     

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    — Jim is very sick these days. He coughs so badly.

    — In my opinion, he really ________ listen to the doctor and cut down on smoking.

    A. should         B. can          C. may            D. need

     

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