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It is _ pretending to know what you don't know
A.no good
B.not helpful
C.not good
D.all right
答案是A,为什么B不可以选呢?有点觉得如果用B要改成to pretend
人气:189 ℃ 时间:2020-01-27 22:26:50
解答
It is no good doing sth.
做什么没好处./做……是没有用的
it is helpful to do sth意思为有助于.结构和意思都不对
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