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>
  • 
    
  • 選擇You __ not have seen her yesterdays for she was abroad.

    選擇You __ not have seen her yesterdays for she was abroad.
    You __________ not have seen her yesterdays for she was abroad.
    A.must B.should
    C.could D.would
    選什么?四個(gè)答案有什么區(qū)別?
    英語(yǔ)人氣:373 ℃時(shí)間:2019-09-27 15:01:40
    優(yōu)質(zhì)解答
    選C.這是對(duì)過(guò)去的猜測(cè).在表示猜測(cè)的否定時(shí),情態(tài)動(dòng)詞要用can或could,不能用must;should若用在should not have done中表示“本不該做(但已經(jīng)做了)”;would not have done用于虛擬語(yǔ)句中,比如:Without your help,I would not have succeeded.沒(méi)有你的幫助,我不會(huì)成功的.注:would have done表虛擬時(shí),不可置于從句中,而應(yīng)在主句中使用.
    我來(lái)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(yè)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