(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traff

题目简介

(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traff

题目详情

(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.
A.when B.that
C.what D.where
题型:单选题难度:中档来源:不详

答案

A
选A 考查名词性从句。句意:新的地铁线路何时开放还不清楚。句中it是形式主语,空处引导的是主语从句。根据句意可知选when。

更多内容推荐