问题补充:
It`s not easy Chinese students English well.
A. of, to learn
B. for, learning
C. of, learning
D. for, to learn
答案:
A. of, to learn
B. for, learning
C. of, learning
(答案→)D. for, to learn
解析:句意:对于中国的学生们来说学好英语是不容易的。本句所使用的句型为it is + 形容词+ for sb. to do sth. 对某人来说做某事是…的。故选D。