练习册

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    --Why does Michael know so much about Angkor Watt? --He have been there,or... A. must B. oughtn't to C. may D. can't 答案:C 指导:must+have done表示对过去情况的推测.语气较为肯定.意为“一定-- .may+have done也表示对过去情况的推测.语气不及must肯定.意为“或许-- . 【查看更多】

     

    题目列表(包括答案和解析)

    ．— Why does Michael know so much about Angkor Watt?

    　　　　— He ________ have been there, or...

    A．must

    B．oughtn’t to

    C．may

    D．can’t

     

    查看答案和解析>>

    ．— Why does Michael know so much about Angkor Watt?

    　　　　— He ________ have been there, or...

    　　 A. must　　　　　B. oughtn’t to　　 C. may　　　　 D. can’t

    查看答案和解析>>


    ．— Why does Michael know so much about Angkor Watt?
    　　　　— He ________ have been there, or...

    A．mustB．oughtn’t toC．mayD．can’t

    查看答案和解析>>

    －Why does Michael know so much about Angkor Watt?

    －He ________ have been there, or…

    [　　]

    A．must

    B．oughtn’t to

    C．may

    D．can’t

    查看答案和解析>>


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