问题
选择题
To smoke a cigarette after meals seems to him a habit _________.
A．to never break
B．never to have broken
C．never to be breaking
D．never to be broken
答案
答案：D
题目分析：考查不定式的否定：句意：饭后抽根香烟似乎对他来说是不能破坏的习惯。这里用不定式做短语，否定词never放在不定式前面，habit和break是被动关系，选D。