12. The screen ______ by Sia for ten years. It’s very old.(A) was using (B) has used (C) is used(D)

問題詳情

12. The screen ______ by Sia for ten years. It’s very old.
(A) was using
(B) has used
(C) is used
(D) has been used

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

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