問題詳情

11.To produce the best theory, she is working ___________ several other research institutes.
(A) in associationwith
(B) on average
(C) ignorant of
(D) behind bars

參考答案

答案:A
難度:適中0.666667
統計:A(6),B(1),C(1),D(0),E(0)

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