1. SHOULD - SHOULDN'T / MUST - MUSTN'T

Gap-fill exercise

Write the appropriate word.
1. In Great Britain you go to school until you are sixteen.
2. You park your car here. It's illegal.
3. You smoke. It's bad for your health.
4. You look tired. You go to bed so late.
5. Remember you lock the door before you leave.
6. Students be late for school.
7. You study harder if you want to pass your exams.
8. You use your mobile phone at school.