高考◆英语◆贵州省題庫下載題庫

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32. There's no way of knowing why one man makes an important discovery _______ another man, also intelligent, fails.
(A)since
(B) if
(C)as
(D)while

答案：C
難度： 計算中


32. There's no way of knowing why one ma..-阿摩線上測驗