问题
选择题
Tom pretended______it but in fact，he knew it very well.
A．not listen to
B．not to hear about
C．not to have heard about
D．not to be listening to
答案
答案：C
此处用不定式的完成式表示该动作发生在前。
搜题请搜索小程序“爱下问搜题”
Tom pretended______it but in fact，he knew it very well.
A．not listen to
B．not to hear about
C．not to have heard about
D．not to be listening to
答案：C
此处用不定式的完成式表示该动作发生在前。