23. If ________ they about your difficulty, they ________ a different decision. Yet, it is all too late now.
(A) know; may make
(B) knew; might make
(C) have known; would make
(D) had known; might have made
詳解 (共 2 筆)
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這是一個假設語氣用法而且是過去式的假設語...
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題目所述為已過去的事情，因此選D過去完成...
私人筆記 (共 1 筆)
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要是他們早知道你的難處，他們可能會做出不...
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