Question

The boy is afraid ________ cross the bridge, because he is afraid ________ falling into the river.

A. to; to B. of; to

C. to; of D. of; of

Answer 1

C

【解析】

试题分析：句意：这男孩害怕过桥，因为他害怕掉进河里。Be afraid to do sth害怕做某事；be afraid of （doing） sth害怕（做）某事。所以选C。

考点：考查介词。