B

B

B

C

D

1C

2B

3A

D

16. A

17. B

18. D

19. A

20. B

1T

2F

3T

4T

5F

1. You ...........should............... be at school at this time.

2. You ............don't have to.............. take a bus, I’ll drive you to school.

3. You ............should.............. go to bed earlier at night. You’d feel more relaxedin the morning.