1. If our PE teacher gives us permission, we will play badminton.
2. If he takes a shower instead of a bath, he can save a lot of water
3. You will be healthy if you do exercise for 10 minutes every day
4. If it is sunny tomorrow, we will go to Thong Nhat park for a picnic
5. If we recycle and reuse more, we can help our planet
6. She will get higher marks if she spends more time on homwork
7. What will your teacher say if you are late for school tomorrow?
8. You will become fatter if you continue to eat too much greasy food
9. If office workers sit in front of the computer for too long, they will have a backache
10. If we eat a clean apple each day, we will be very healthy