To my excitement,I found the ring when___my bedroom yesterday afternoon.A.cleaning B.clean c.having cleaned D.to clean求答

分类: 作业答案 • 2021-12-28 14:55:55

问题描述：

To my excitement,I found the ring when___my bedroom yesterday afternoon.A.cleaning B.clean c.having cleaned D.to clean求答案!thank!

答

A
when seeing,作时间状语.之所以用现在分词是因为其逻辑主语I 是see 这个动作的执行者
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