问题
选择题
Do you think it necessary that we have all the chairs_________?
A．to be replaced
B．replace
C．being replaced
D．replaced
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Do you think it necessary that we have all the chairs_________?
A．to be replaced
B．replace
C．being replaced
D．replaced
答案：D