am is are was were 與do does did done 2024 年 9 月 29 日2024 年 7 月 20 日 作者: 阿莓莓KIKI 很多人學習英文一段時間後,最大的困擾莫過於,到底什麼時候需要使用be動詞(am is are was were … 閱讀全文