23．—It’s reported that the new underground line has been completed． —Yes but it hasn’t been made cle_刷题宝

题干

23．—It’s reported that the new underground line has been completed．
—Yes but it hasn’t been made clear________it’s to be opened to traffic．

A：that

B：who

C：what

D：Whe

上一题下一题 0.0难度选择题更新时间:2016-03-01 07:41:19

答案(点此获取答案解析）

D

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