問題詳情

27. “I’ve lost one of my gloves.”“You _____ it somewhere.”
(A) must drop
(B) must have dropped
(C) must be dropping
(D) must have been dropping

參考答案

答案:B
難度:適中0.6
統計:A(3),B(6),C(1),D(0),E(0)

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