It is very kind ______ you to help me with my lessons. It is difficult ______ me to learn them well.

题目简介

It is very kind ______ you to help me with my lessons. It is difficult ______ me to learn them well.

题目详情

It is very kind ______  you to help me with my lessons. It is difficult ______ me to learn them well.
[     ]
A. of, of
B. for, of
C. of, for
D. for, for
题型:单选题难度:中档来源:月考题

答案

C

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