問題詳情

10. Our company consists of about eighty staff members, ________ have worked here for over twenty years.
(A) some of them
(B) some of whom
(C) them
(D) whom

參考答案

答案:B
難度:適中0.498688
統計:A(131),B(190),C(8),D(25),E(0)

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