問題詳情
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
(A)since
(B) if
(C)as
(D)while
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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