It looks like rain so you’d better without an umbrella.A. goB. not to goC. goingD. not g

问题补充：

It looks like rain, so you’d better without an umbrella.

A. go

B. not to go

C. going

D. not go

答案：

A. go

B. not to go

C. going

(答案→)D. not go

解析：had better后跟动词原形，表示最好做某事，否定句在had better后直接加not，故本题选D。