Question

You must be tired. Why not_________ a rest?

A．to stop to have

B．to stop having

C．stop to have

D．stop having

Answer 1

C

why not表示建议后跟动词原形，故不选AB，你累了，那么就应该停下来休息，stop to do表示停下来做某事，符合题意，故本题选C。