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>
  • 
    
  • Aids is said_____ the biggest health challenge to both men and women over the past few years.

    Aids is said_____ the biggest health challenge to both men and women over the past few years.
    A.that it is B.to be C.that it has been D.to have been
    英語人氣:385 ℃時間:2020-04-02 14:28:11
    優(yōu)質(zhì)解答
    據(jù)說…… 有兩種表達法:1 sth is said to be 2 It is said that+從句
    又句中有明顯的暗示:over the past few years 固定用完成時.所以選D.
    C 應(yīng)該為:It is said that aids has been the biggest health challenge
    to both men and women over the past few years.
    我來回答
    類似推薦
    請使用1024x768 IE6.0或更高版本瀏覽器瀏覽本站點,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. 手機版