句型轉換。
1. Have you packed the beach towels yet?(作否定回答）
_______ , _______ _______.
2. Mary has already cleaned the room. (改為一般疑問句)
Mary_______ the room_______?
3. He came here three days ago.(改為同義句)
He has _______here _______three days.
4. I left Beijing three months ago.(改為同義句)
Bei Jing_______three months.
5. I have lived in Shanghai since l was born.(對畫線部分提問)
_______ _______have you lived in Shanghai?
