问题
选择题
----Why isn’t Cathy here yet?
--- She _________ to be picked up at the station．
A．could wait
B．must wait
C．might be waiting
D．can be waiting
答案
答案：C
搜题请搜索小程序“爱下问搜题”
----Why isn’t Cathy here yet?
--- She _________ to be picked up at the station．
A．could wait
B．must wait
C．might be waiting
D．can be waiting
答案：C