If we had taken such effective measures much earlier, the river___ soseriously now.

题型：单选题题类：常考题难易度：普通

宁夏石嘴山市第三中学2016-2017学年高二下学期英语期末考试试卷

A、is not polluted B、would not be polluted C、had not been polluted D、would not have been polluted

举一反三

— Cheer up! Many good things would never have happened if the bad events________ first.

—If it ______ rain tomorrow, but actually the weather forecast has removed our worry.

—Great. If I were him, I the wrong decision then.

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