题目内容
（2010·山东省烟台市中英文学校高三一模） 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．when
D
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题目内容
（2010·山东省烟台市中英文学校高三一模） 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．when
D