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  • needn't do和 didn't need to do的區(qū)別

    needn't do和 didn't need to do的區(qū)別
    The students ______ to school yesterday as the local government announced that all the school classes were to be canceled due to the terrible typhoon.
    A didn't need to go B needn't go
    但是AB都表示不必做,而且都沒有做過.B為什么不對?
    英語人氣:341 ℃時(shí)間:2019-08-19 11:59:42
    優(yōu)質(zhì)解答
    Adidn't need 表示“過去不必”
    Bneedn't go 表示“將來不必“
    此題中,有時(shí)間狀語”yesterday“,因此要用過去式,故選A
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