Question

【题目】It's interesting ____ experiments in class.

A.doB.doesC.doingD.to do

Answer 1

【答案】D

【解析】

句意：课堂上做实验很有趣。

考查非谓语。A. do 做；B. does 做；C. doing 正在做；D. to do 去做。it is + adj. to do sth. “做某事是怎样的”。故选D。