问题补充:
You look so tired. Why to have a rest ?
A. not to stop
B. don stop
C. not stop
D. not you stop
答案:
A. not to stop
B. don stop
(答案→)C. not stop
D. not you stop
解析:句意:你看起来很累,为什么不休息一下呢?why not do sth.为什么不做……?或者是why don’t you do sth.?都用来向别人提建议,结合语境故选C。