问题补充:
It is very kind you to help me with my lessons. It is hard me to learn them well.
A. of; for
B. of; of
C. for; of
D. for; for
答案:
(答案→)A. of; for
B. of; of
C. for; of
D. for; for
解析:句意:你帮助我的课程,你很善良。对我来说学好课程是困难的。本题考查It’s +形容词+of/for sb to do句型。具体同第一题解析,根据题意,故选A。