__ is really hard __ them to climb Mount Tai.A．This, to Wap版

试题详情及答案解析

__ is really hard __ them to climb Mount Tai.

A．This, to	B．It, for
C．This, for	D．It, to

答案：B

试题分析：句意：对他们来说爬泰山是困难的。It is+形容词+for sb to do sth对某人来说做某事是……的。所以选B。
考点：考查固定句式的用法。