Did you feed a dolphin before ?
Have you fed a dolphin before ?
這兩句分別是什麼意思?
這兩句有文法錯誤嗎?
收錄日期: 2021-04-18 23:52:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071116000051KK03540