1. At our school, all students wear uniforms.

2. You cross the roads without carefully. It’s so dangerous.

3. You turn off the central heating. It is automatic.

4. The examinations are next week. I study harder.

5. You forget the umbrella. It is going to rain heavily.

6. Students listen to their teacher or they will not understand the lesson.

7. You cross the street when the red light is showing.

8. You leave now or you’ll miss the train.

9. Doctors sometimes work on the holiday.

10. Sorry, my Mom and I go now. We don’t want to be late.

11. Salesmen deal with the public.

12. You come with me if you don’t want to.

13. She was late this morning because she wait for the bus.

14. In Japan, teachers wear uniforms.

15. You cook food in your room.

16. You use the elevator in case of fire.

17. I can’t see everything very well so I wear glasses

18. You read this novel. It’s really good.

19. You go shopping. We don’t need anything else.

20. You have a smartphone in class.