问题补充:
You must be very tired. Why not a rest?
A. to stop to have
B. to stop having
C. stop to have
D. stop having
答案:
A. to stop to have
B. to stop having
(答案→)C. stop to have
D. stop having
解析:句意:你一定非常累了。为什么不停下来休息一下呢?Why not do sth意为“为什么不做某事呢”,stop to do sth意为停下正在干的事情去做别的事情,而stop doing sth意为“停止正在干的事情”;故选C。