_A container weighs more after air is put in, ____proves that air has weight.A.asB.itC.thatD.which-英

题目简介

_A container weighs more after air is put in, ____proves that air has weight.A.asB.itC.thatD.which-英

题目详情

_A container weighs more after air is put in, ____proves that air has weight.
A.asB.itC.thatD.which
题型:单选题难度:偏易来源:不详

答案

D
考查连词。which 引导非限制性定语从句,修饰整个主句的内容,这时不能用that。

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