Complete the sentences using
must,have to ,don't have to,mustn't
1 You.....have clean hands in the kitchen
2 We......start work at 8.00 a.m.
3 Guests....check out by 12.00 noon
4 You....leave food on the floor
5 The attendants ...change the beds every day
4 We ....prepare the vegetables before 11.30
5 I.....(not) work on Sundays