练习册

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    I have to apologize to you having made some careless mistakes in my work. You are to blame. You careful. You can never be careful in your work. A. should be; too B. should have been; too C. must be; so D. must have been; so 【查看更多】

     

    题目列表(包括答案和解析)

    — Would you like to _________ us in a game of cards?

       — I’d like to, but I have to _________ a lecture.

    A. join; attend    B. attend; join    C. take part in; attend    D. join; join in

     

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    —Haven’t you seen the speed limit sign? Please drive     .

    —Sorry,but I have to.

    A．more slowly a bit

    B．slowly a bit more

    C．a bit more slowly

    D．slowly more a bit

     

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    —Haven’t you seen the speed limit sign? Please drive _______.

    —Sorry, but I have to.

    A．more slowly a bit

    B．slowly a bit more

    C．a bit more slowly

    D．slowly more a bit

     

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    I have a really bad headache，and I have to ________ a doctor about my pains.

    A．consult  B．remind  C．inform  D．advise

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    I never trouble him with anything ________ I have to.

    [    ]

    A. if   B. though   C. because   D. unless

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