You’ll have an English exam tomorrow. You’d better watch TV this evening. A. to notB. not

问题补充：

You’ll have an English exam tomorrow. You’d better watch TV this evening.

A. to not

B. not to

C. don’t

D. not

答案：

A. to not

B. not to

C. don’t

(答案→)D. not

解析：句意：你明天有英语考试，你今晚最好不要看电视。Had better (not) do sth. 最好（不）做某事，后接动词原形，否定形式就在动词前面加not,结合题意故选D。