10. 選出一個錯誤的答案A: What were you and your sister doing ______?B: We were doing the dishes.(A)at that ti
問題詳情
10. 選出一個錯誤的答案A: What were you and your sister doing ______?B: We were doing the dishes. (A)at that time (B)at seven last night (C)half an hour ago (D)then