Question

You'd better ________ when you come in.

[　　]

A．not to wake him up

B．not wake him up

C．to not wake him up

D．not waking him up

Answer 1

答案：
解析：

had better是复合情态动词，后面只能跟不带to的不定式；其肯定或否定意思是通过不定式的肯定或否定形式来表达的，表示否定意思时，在不定式前加not。