精品偷拍一区二区三区,亚洲精品永久 码,亚洲综合日韩精品欧美国产,亚洲国产日韩a在线亚洲

  • <center id="usuqs"></center>
  • 
    
  • 英語翻譯

    英語翻譯
    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
    英語人氣:425 ℃時(shí)間:2019-10-11 08:23:05
    優(yōu)質(zhì)解答
    答案是 D考查與過去事實(shí)相反的虛擬語氣 從句使用過去完成時(shí),主句使用would have +動(dòng)詞的過去分詞If ...had done ...,...would(might,could) have done...如果我們能早點(diǎn)采取措施,這條河就不會(huì)被污染地那么嚴(yán)重了.可...
    我來回答
    類似推薦
    請(qǐng)使用1024x768 IE6.0或更高版本瀏覽器瀏覽本站點(diǎn),以保證最佳閱讀效果。本頁提供作業(yè)小助手,一起搜作業(yè)以及作業(yè)好幫手最新版!
    版權(quán)所有 CopyRight © 2012-2024 作業(yè)小助手 All Rights Reserved. 手機(jī)版