问题
选择题
I think your mother is_____you at the school gate at the moment.
A．waiting
B．waiting for
C．waiting for
D．is waiting
答案
答案：B
wait是不及物动词，后跟宾语时要加介词for。
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I think your mother is_____you at the school gate at the moment.
A．waiting
B．waiting for
C．waiting for
D．is waiting
答案：B
wait是不及物动词，后跟宾语时要加介词for。