问题补充:
It’s not easy for us English well.
A. study
B. to study
C. studying
D. studies
答案:
A. study
(答案→)B. to study
C. studying
D. studies
解析:本题的中的it是形式主义,真正的主语写在句尾用动词不定式to do,故本题选B。
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