Task 4. Choose the best variant.
1. You ... pay your rent. That’s the rule.
1 must 2. can't 3. mustn't

2. You ...... eat in the classroom. It’s forbidden.
1. must 2. mustn't 3. can't

3. You ... have any pets in this house. It’s not allowed
1. must 2. can't 3. can

4. You ..... go to the doctor. You look very ill.
1. must 2. mustn't 3. can't

5. You .... go to school. That’s the law.
1. must 2. can't 3. mustn't

1. You must pay your rent. That’s the rule.

1 must

2. You mustn't eat in the classroom. It’s forbidden.

2. mustn't

3. You can't have any pets in this house. It’s not allowed

2. can't

4. You must go to the doctor. You look very ill.

1. must

5. You must go to school. That’s the law.

1. must