问题
选择题
As ________ , they were waiting for us at the airport.
A．plan
B．planning
C．being planned
D．planned
答案
答案：D
本句考查as引导非限制性定语从句。As planned句中省略了it was。
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As ________ , they were waiting for us at the airport.
A．plan
B．planning
C．being planned
D．planned
答案：D
本句考查as引导非限制性定语从句。As planned句中省略了it was。