II. Nối hai câu sau sử dụng mệnh đề quan hệ. Chú ý cách dùng dấu phẩy. 1. The man was very rich. She got married to him. 2. He wore a mask. It made him look like Mickey Mouse. 3. The parents thanked that woman. She had saved their son. 4. The day was hot. My mom had a heart attack on that day. 5. Three men came into my office. I knew none of them. 6. John works very hard. He has just opened a new store in London. I 7. Did you see the beautiful dress? She wore it yesterday. 8. The postman was very old. His bike was stolen. 9. The engineers received an award. He designed our house. 10. The factory closed down last week. My father worked in it.