Уточнение вопроса
5 задание,предложения
Подробное решение
1. Ihave to be at the office at 9:00
2.we doesn’t have to wear a uniform at school
3. He hasn’t to work on Saturday
4.He has to speak English at work
2.we doesn’t have to wear a uniform at school
3. He hasn’t to work on Saturday
4.He has to speak English at work