It’s not easy for us English well.A. studyB. to studyC. studyingD. studies

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。