Nothing is so easy as parents to raise their expectations of their children too high. (20

问题补充：

Nothing is so easy as parents to raise their expectations of their children too high. (·福建，33)

A. of

B. to

C. by

D. for

答案：

A. of

B. to

C. by

(答案→)D. for

解析：

句意为：对父母而言，没有什么能比把对孩子的期望值提得太高再简单的事情了。本题把介词短语置于句中提高了试题的难度，实际上就是For parents nothing is so easy as...。for parents对父母来说。