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  • If our children ____live to see the next century ,what change will they see?為什么填should不填could

    If our children ____live to see the next century ,what change will they see?為什么填should不填could
    As is natural,a man as old as he ___be very forgetful為什么填can
    英語人氣:256 ℃時間:2020-02-03 21:44:12
    優(yōu)質(zhì)解答
    our children ____live to see the next century ,what change will they see?為什么填should不填could
    假設(shè)一種將來未曾發(fā)生的事,此處用虛擬語氣should而不用could.
    As is natural,a man as old as he ___be very forgetful為什么填can
    表示一種自然的規(guī)律,或者已成為定理,公理了,用一般形式can,是一種固定用法.
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