Viết lại những câu sau đây bằng cách sử dụng mệnh đề quan hệ:
1. My sister has just got married. You met her at my house last week
2. The waitress served. She was very impolite and impatient
3. The manager has just announced his retirement. We have all depended on him so much
4. Mrs.Lake is the teacher. I enjoy class the most
5. I never forgot the park. We met each other for the first time at this park
6. One of the elephant had only one tusk. We saw there elephant at the zoom
7. My grandfather is a wise man. He has greatly influenced my life
