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  • It's impossible for a child to do so much work within a short period of time,______?

    It's impossible for a child to do so much work within a short period of time,______?
    a) isn't it b) is it c) has it d) hasn't it
    為什么是a?不是有impossible嗎?
    英語人氣:874 ℃時間:2020-05-11 02:56:43
    優(yōu)質解答
    a) isn't it
    如果是通過加否定前綴表否定的,作肯定句看:
    再如:
    It is unimportant,isn't it?
    比較:
    It is not important,is it?
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