Question

【题目】It’ s difficult for him the river to school every day.

A. crossB. crossesC. to crossD. crossing

Answer 1

【答案】C

【解析】

句意：这对于他来说，每天穿过河去上学是难的。A. cross动词原形；B. crosses第三人称单数形式；C. to cross动词不定式；D. crossing动名词或现在分词。根据It's difficult for sb. to do sth. 对某人做某事很难，固定搭配，可知，此空故填to cross，故选C。