Viết lại hai câu đơn thành một câu phức. 1. Dog is my favorite animal. They are good companions of people. 2. I don't like jazz. A friend of mine is a fan of it. 3. They were stuck in the traffic for hours. They managed to get there on time. 4. I came to the party. Everyone was leaving. 5. This time Jane works very hard. She doesn't want to fail the exam again. 6. I seldom do exercises. I doing exercises is good for health. 7. My computer is old-fashioned. It functions very smoothly. 8. I didn't know her real name. People always called her by her nickname.