Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.A.a

题目简介

Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.A.a

题目详情

Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.
A.a  B.what   
C.itD.which
题型:单选题难度:中档来源:不详

答案

D
答案:D。考查定语从句。此处which引导非限制性定语从句,同时在从句中作主语。

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