✔ 最佳答案
1. I usually listen to music when I drive to work.
2. I always watch TV when I have dinner at home.
3. When I was practicing piano, I heard my neighbor's dog barked very loudly.
4. I used to be slimmer when I was younger.
5. When is your next vacation?
6. There were times when I didn't know what to do.
7. Since when has she taught here?