Question

—You should be careful when _______.

—Yes, I will. I’d like to know when ________ to have a rest.

A．driving; stopping

B．driving; to stop

C．to drive; stopping

D．to drive; to stop

 

Answer 1

【答案】

B

【解析】此题重点考查动词短语stop to do sth,表示停下来去做某事。