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  • I did all the exercises through Part1 to Part5.

    I did all the exercises through Part1 to Part5.
    Oh,you really___;only Part 1 is required.
    A.didn't need to.B.needn't have
    為什么A不能選.A.B有什么區(qū)別
    英語人氣:337 ℃時(shí)間:2020-05-11 16:03:24
    優(yōu)質(zhì)解答
    didn't need to do sth是陳述某事不需要做,不一定做了,needn't have done sth是某事不需要做卻已經(jīng)做了,這道題中明顯屬于第二種情況,所以應(yīng)該選B.
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