He wrote a letter he explained what had happened in the accident.A.on whichB.thatC.in whichD.how

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编辑：chaxungu时间：2026-04-27 02:49:35分类：高中英语题库

【题目】He wrote a letter _____________ he explained what had happened in the accident.

A.on whichB.that

C.in whichD.how

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【答案】C

【解析】

考查定语从句。句意：他写了一封信，信中他解释了事故中发生的一切。此处为定语从句，先行词为a letter，in the letter表示“在信中”，所以此处用介词in+关系代词which，故C项正确。