Номер 4
1). Must to
2).Don't have to
3) Mustn't
4) have to
5)must to
6) has to
7) doesn't have to
8) deals
Номер 5
2) have to wear hard hats there
3) have to work in a summer
4) teachers don't have to allow to wear jeans
5) don't have to wear informal clothes for a job interview
6) don't have to speak French
7) have to be calm in her job