問題詳情
20. 請選出一錯誤句
(A) When the police arrived, the thieves had run away.
(B) I have been studying English for five years so far.
(C) I learned dancing since I was ten years old.
(D) By ten o’clock yesterday morning, we had arrived at the airport.
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增