問題詳情

37. in his room, he didn't know what happened outside.
(A) He was studying
(B) As he was studying
(C) Though he was studying
(D) Studying
(E) Because he was studying

參考答案

答案:B,D,E
難度:非常困難0
統計:A(2),B(1),C(0),D(1),E(2)

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