问题: 单选
After __ by the doctor, Hank had to stay indoors.
A examined B. being examined
说出理由 谢谢
解答:
after这里是介词,+doing/being done
所以选B.
连词需要接句子。after/before/since/until既可作连词也可作介词。和when/while等不同。
When(he is) asked why he is late,he always answers the same.
这可以省略主语和be.
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