I can't figure out it is that makes him so difficult at school.A. how B. whatC. whyD. whi

发布时间：2020-08-17 10:03:05

I can't figure out      it is that makes him so difficult at school.
A. how
B. what
C. why
D. which

网友回答

A. how
(答案→)B. what
C. why
D. which
解析：B 考察强调句型和宾语从句的语序。What it be that强调句式中的强调的是主语，首先要排除how,why，又因为预计中的主语是泛指意义，排除which，有范围。故使用what。
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