Unit 1 Daily Life
Lesson 3 Safety First
同步练习
1. They will have many a during the spring festival.
2. If I f these tasks, we can go to the concert.
3. Don't play football on the road. It's very d .
4. --- Is it s to cross the road now?
--- No, it's very dangerous. You mustn't go until the traffic lights turn green.
