c Complete the sentences with mustn't or don't have to
The museum is free. You don't have to pay
2 You have to wear smart clothes. You
wear jeans.
3. The speed limit is 120 km/h. You
drive faster.
4 Your hours will be 9-5 Monday to Friday. You
work at weekends.
5 That river is dangerous. You
swim in it.
6 It's a very small flat. You
clean it every day.​