Question

Choose the correct words.

1. You mustn't / don’t have to / don’t must cheat in exams.

2. If you need help, you should to / need / should talk to your teacher.

3. I’m not thirsty, so I shouldn’t / don’t need / needn't to stop and have a drink.

4. You mustn't / don’t need / don’t have to do this extra homework. It’s your choice.

5. We must / have / need arrive on time to school every day.

6. Rosie has / have / need to catch the next bus.

Answer 1

1. mustn't

2. need

3. don't need

4. don’t have to 

5. must

6. has

Answer 2

1. You mustn't cheat in exams.

2. If you need help, you should talk to your teacher.

3. I’m not thirsty, so I don’t need to stop and have a drink.

4. You don’t have to do this extra homework. It’s your choice.

5. We must arrive on time to school every day.

6. Rosie has to catch the next bus.