问题
选择题
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
答案：D
题目分析：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