英语翻译29．If we had taken such effective measures much earlier,the r_英语解答

英语翻译
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

人气：387 ℃　时间：2019-10-11 08:23:05

解答

答案是 D考查与过去事实相反的虚拟语气从句使用过去完成时,主句使用would have +动词的过去分词If ...had done ...,...would(might,could) have done...如果我们能早点采取措施,这条河就不会被污染地那么严重了.可...