問題詳情

I bought a book and finished reading it _____ I was on the train. The reading made the long-hour trip easier.
(A)until
(B)that
(C)while
(D)where

參考答案

答案:C
難度:簡單0.874854
統計:A(31),B(35),C(748),D(41),E(0)

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