题目内容
(2010·山东省烟台市中英文学校高三一模)29.If we had taken such effective measures much earlier, the river ______ so seriously now.
A.is not polluted B.would not be polluted
C.had not been polluted D.would not have been polluted
B
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(2010·山东省烟台市中英文学校高三一模)29.If we had taken such effective measures much earlier, the river ______ so seriously now.
A.is not polluted B.would not be polluted
C.had not been polluted D.would not have been polluted
B