高等继续教育 / 旅游英语
正确率：100%
题型描述: 单选题
It is easy _ _ _ _ _ _ the problem.
A.of him to solve
B.of him solving
C.for him solve
D.for him to solve
It is easy _ _ _ _ _ _ the problem.
A.of him to solve
B.of him solving
C.for him solve
D.for him to solve
参考答案：
佳题速递：