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

题干

(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

上一题下一题 0.64难度单项选择更新时间:2014-03-28 12:23:28

小学学科试题库

初中学科试题库

高中学科试题库