问题 选择题

I found       difficult to make good friends with them.

A.it is

B.this

C.it

D.that is

答案

答案:C

find it +形容词+to do sth 句型,“发现做某事怎么样”,it用来代替后面不定式的内容,不能用指示代词.

单项选择题 B1型题
单项选择题