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  • Some people won't realize the importance of their health _____ they have lost it

    Some people won't realize the importance of their health _____ they have lost it
    A、afterB、when C、until D、unless
    這道題選c,為什么不選D,請詳細(xì)分析,謝謝
    我覺得用unless翻譯這句話也可以,為什么要用until
    英語人氣:781 ℃時間:2019-08-20 16:13:08
    優(yōu)質(zhì)解答
    not ···until意思是直到······才······時間狀語引導(dǎo)詞,這一點和漢語表達(dá)習(xí)慣不同.
    有些人直到失去健康才意識到它的重要.
    二者用途是不一樣的
    unless 除非···,如果不 ,是條件狀語引導(dǎo)詞,if ```not
    I shall go tomorrow unless it rains.  我要去,除非明天下雨
     ------Shall Tom go and play football?   ------Not unless he has finished his homework.  
    I won’t attend his birthday party unless invited (= unless I am invited)
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