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  • Tom,what are you doing?You ___ the incoming math exam.If you fail,you won't go unpunished.

    Tom,what are you doing?You ___ the incoming math exam.If you fail,you won't go unpunished.
    A.are supposed to prepare for
    B.are supposed to be preparing for
    答案說選A,為什么不能選B?
    我覺得可以表示“你理應(yīng)正在準(zhǔn)備考試”.
    英語人氣:695 ℃時間:2019-12-24 15:10:03
    優(yōu)質(zhì)解答
    這是勸告, 指說話以后對方該如何做
    如果象你這樣理解就帶責(zé)備意味了. 要說:
    You are supposed to have been preparing.
    類似于should + have + been doing “本應(yīng)該在做.” 事實上沒在做


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