_____ is known to everybody, the moon travels round the earth once every month.A.ItB.AsC.ThatD.What-

题目简介

_____ is known to everybody, the moon travels round the earth once every month.A.ItB.AsC.ThatD.What-

题目详情

 _____ is known to everybody, the moon travels round the earth once every month.
A.It B.AsC.ThatD.What
题型:单选题难度:偏易来源:不详

答案

B
as 引导的是一个非限制性定语从句。

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