問題詳情

38 When we use the washer, we should make sure that the right plug and outlet are used and that the machineis _____ properly.
(A)contacted
(B)connected
(C)contracted
(D)contented

參考答案

答案:B
難度:簡單0.744186
統計:A(7),B(128),C(12),D(9),E(0)

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