问题
选择题
To fetch water before breakfast seemed to me a rule ________.
A．to never break
B．never to be broken
C．never to have broken
D．never to be breaking
答案
答案：B
动词不定式的否定式是在“to”前加“not”或“never”。“规则被打破”要用被动式。
搜题请搜索小程序“爱下问搜题”