问题
选择题
I think this talk is worth ． [ ]
A．to listen
B．to listen to
C．1istening
D．1istening to
答案
答案：C
搜题请搜索小程序“爱下问搜题”
I think this talk is worth ． [ ]
A．to listen
B．to listen to
C．1istening
D．1istening to
答案：C