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>
  • 
    
  • If you really want yourself to be in good health,you must____always____so much.

    If you really want yourself to be in good health,you must____always____so much.
    A.not be smoking
    B.not have smoked
    C.not to smoke
    D.be not smoking
    我選的是D,
    詳細(xì)說說……小弟感激不盡……
    英語(yǔ)人氣:864 ℃時(shí)間:2019-12-06 02:51:40
    優(yōu)質(zhì)解答
    這道題你的問題在于情態(tài)動(dòng)詞的用法沒掌握好.
    情態(tài)動(dòng)詞有can (could),may (might),must,have to,shall (should,will (would),dare (dared),need (needed),ought to等.
    它們的用法就是:肯定:情態(tài)動(dòng)詞 + be
    否定:情態(tài)動(dòng)詞 + not be
    此題只是使用了情態(tài)動(dòng)詞的否定用法和動(dòng)詞ing表狀態(tài)延續(xù)的用法.
    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(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