TEST FILL IN ‘can/should/must - can’t/ shouldn’t / mustn’t 1. Teenagersdrink alcohol.
2. If you don't feel well youstay in bed.
3. You thank him for his advice.
4. Children watch TV a lot.
5. You drop rubbish on the floor.
6. You sit in the sun all day.
7. She get to school by tram.
8. If you lost a dictionary, you buy a new one.
9. We haven't any butter in the house, youbuy it tomorrow.
10. Youstay here.
11. Hedo a lot of work yesterday.