If you are tired please stopa rest.A. haveB. to haveC. havingD. has

问题补充：

If you are tired, please stopa rest.

A. have

B. to have

C. having

D. has

答案：

A. have

(答案→)B. to have

C. having

D. has

解析：句意：如果你累了，请停下来休息一下。Stop后接动名词表示停止正在做的动作，接不定式表示停下来去做另一个动作，结合语境可知选B。