問題詳情

45. __________ you should have no trouble with the difficult work.
(A)Knowing this
(B)If you areknowing this
(C)From knowing this
(D)If you had known this

參考答案

答案:A
難度:困難0.336207
統計:A(39),B(9),C(15),D(53),E(0)

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