Question

. Complete the following sentences with “mustn’t” or “don’t have to.”

1. The museum is free. You ____pay for the entrance.

2. You have to wear a uniform at school. You__ __________wear blue jeans.

3. The speed limit is 90 km per hour. You __________drive faster.

4. You live in a very small place. You _clean it every day. Just clean it twice.

5. Your job is from Monday to Friday. You ______________come on weekends.

6. That river is extremely dangerous. You ________________swim in it.

Answer 1

1. don't have to

2. mustn't

3. mustn't

4. don't have to

5. don't have to

6. mustn't

hope it helps.