問題詳情

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(A) Mr. Chang was teaching Chinese at our school for ten years.
(B) Mr. Chang has taught Chinese at our school for ten years.
(C) Mr. Chang will teach Chinese at our school in ten years.
(D) Mr. Chang once taught Chinese at our school for ten years.



參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增

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