问题补充：
Your father is sleeping. You’d better .
A. wake him up
B. wake up him
C. not to wake him up
D. not wake him up
答案：
A. wake him up
B. wake up him
C. not to wake him up
(答案→)D. not wake him up
解析：句意：你的父亲正在睡觉，你最好不要把他叫醒。had better do sth 的否定形式是had better not do sth.根据句意，故选D
