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the letter.she went out to post it.A.WritingB.Being writtenC.Having writtenD.Written

编辑:chaxungu时间:2026-04-24 12:52:35分类:高中英语题库

________the letter,she went out to post it.
A.WritingB.Being writtenC.Having writtenD.Written在线课程C
解析:
现在分词短语作状语时,如果其动作发生在句子谓语动词之前,用现在分词的完成式,即having done。