問題詳情

40 Wiliam, you _____ for three hours already. It’s time you go out with some friends to relax.
(A)are studying
(B)studied
(C)had studied
(D)have been studying

參考答案

答案:D
難度:簡單0.765523
統計:A(113),B(73),C(388),D(1874),E(0) #
個人:尚未作答書單:與過去事實相反的假設(if+主詞+had+pp)、cozy

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