1. to brush my teeth twice a day.
2. does harm to your health. 或is bad for your health
3. we will start out.
4. It's important to do eye exercise
5. want to be a shy girl any more
6. have a good rest
7. prefer
8. opening the window
9. go to the hospital and examin your teeth
10. help him change
11. fall off from the tall building
12. busy building the road
13. locking the bike
14. something wrong with the bridge
15. listening to music to get off
希望能帮到你,祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)