問題詳情

31. What happens if the power suddenly ________ when you are using the computer to type a paper?
(A)went out
(B) goes off
(C) will go off
(D) have gone off

參考答案

答案:A[無官方正解]
難度:適中0.454545
統計:A(5),B(4),C(2),D(0),E(0)

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