_____ is known to all, paper was first made in China.A.ItB.ThatC.WhichD.As-英语

题目简介

_____ is known to all, paper was first made in China.A.ItB.ThatC.WhichD.As-英语

题目详情

_____ is known to all, paper was first made in China. 
A.ItB.ThatC.WhichD.As
题型:单选题难度:偏易来源:不详

答案

D
由逗号可知,前面是一个非限制性定语从句,所以用As;Which引导定语从句不可置于句首;若把逗号改为that,则成为主语从句,答案则选A.

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