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Criticism and self-criticism ____ necessary ____ it helps us to correct mistakes.
A.is;in that
B./
C.is;at that
D./
为啥选A?
人气:456 ℃ 时间:2020-04-28 19:19:08
解答
批评是不可数名词,用is.后半句是that做连词引导的一个宾语从句,要到高中才学
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