- Unit 1 Playing Sports
- Unit 2 Keeping Healthy
- 1. You should brush your teeth twice a day.
- 2. I must ask him to give up smoking.
- 3. Must we exercise to prevent the flu?
- Review of Units 1—2
- Unit 3 Our Hobbies
- Unit 4 Our World
版本：
很抱歉，暂时没有该知识点下的试题，等待我们的收集吧o(╥﹏╥)o