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  • ____ I was falling asleep,there was a loud knock on the door.(when/while)

    ____ I was falling asleep,there was a loud knock on the door.(when/while)
    英語人氣:242 ℃時間:2019-09-09 18:11:06
    優(yōu)質(zhì)解答
    _While___ I was falling asleep,there was a loud knock on the door.(when/while)
    因為只有while后面可以跟過去進行時,如果是when的話,后面應該用一般過去式.
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