問題詳情

34. ___________ what to say in an awkward situation, he always chooses to keep silent.
(A) Not to know
(B) Not knowing
(C) Does not know
(D) Not known

參考答案

答案:B
難度:簡單0.72
統計:A(20),B(162),C(27),D(16),E(0)

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