問題詳情

21. While I was reading a magazine in the study, I______ somebody cryingoutside.
(A) was hearing
(B) had heard
(C) heard
(D) would heard

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增

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當我在做某件事時(過去進行式),我突然聽★...