问题补充：
I’m tired now. Let’s stop .
A. having a meal
B. having a rest
C. to have a meal
D. to have a rest
答案：
A. having a meal
B. having a rest
C. to have a meal
(答案→)D. to have a rest
解析：stop后接动名词表示停下正在做的动作，接动词不定式表示停下正在做的动作去做其它事情。从句意来看,我们应是停下来去休息,所以选D.
