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in doing his homework , he didn’t know I had walked in.A.Burying B.BuriedC.To Bury D.To be buried

编辑:chaxungu时间:2026-04-27 02:54:04分类:高中英语题库

【题目】_______ in doing his homework , he didn’t know I had walked in.

A.Burying B.Buried

C.To Bury D.To be buried

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【答案】B

【解析】

试题分析:句意:他在专心做作业,不知道我已经走进来了。be buried in沉思,专心于,被埋葬在。这里主从句主语一致,故选B。