You must be very tired. Why don’t you a rest?A. stop havingB. stop to haveC. to stop havin

问题补充：

You must be very tired. Why don’t you a rest?

A. stop having

B. stop to have

C. to stop having

D. to stop to have

答案：

A. stop having

(答案→)B. stop to have

C. to stop having

D. to stop to have

解析：why don’t you 后接动词原形，故将CD排除，然后再看stop to do sth，表示停下原来的事，去做另一件事，而stop doing sth，表示停下正在做的事，通过前文内容You must be very tired，可知是停下去休息，故选动词不定式，故选B