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  • By the time you arrive this evening,____ for two hours.

    By the time you arrive this evening,____ for two hours.
    A.I will study
    B.I will have been studied
    C.I had studied
    D.I will have been studying
    B和D區(qū)別在哪兒???
    英語(yǔ)人氣:509 ℃時(shí)間:2019-12-06 06:57:17
    優(yōu)質(zhì)解答
    選D
    “by the time +將來(lái)時(shí)間”,用于將來(lái)完成時(shí)[will have done]或?qū)?lái)完成進(jìn)行時(shí)[will have been doing],排除A,C
    又由于B項(xiàng)是表示被動(dòng)的,錯(cuò)誤,故選D
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