Class is over. Let’s stop a rest.A. havingB. to have C. hadD. have

问题补充：

Class is over. Let’s stop a rest.

A. having

B. to have

C. had

D. have

答案：

A. having

(答案→)B. to have

C. had

D. have

解析：句意：下课了。让我们停下来休息一下吧。Stop后面接动名词表示停止正在进行的动作，接动词不定式表示停下来去做另一件事，结合语境可知选B。