問題詳情

1. I can’t find my backpack, and since the last place I had it was the library,I _________left it there.
(A) must have
(B) should have
(C) can’t have
(D) couldn’t have

參考答案

答案:A
難度:適中0.629921
統計:A(80),B(28),C(5),D(7),E(0)

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