7 Dad can't come to the cinema with us. He go to work. 8 You tidy your room. I can do it for you. 9 We go to the supermarket because we haven't got any food. 10 They speak Russian to travel to Russia. Many Russians speak English.

7. Dad can't come to the cinema with us. He has to go to work.
8. You don't have to tidy your room. I can do it for you.
9. We have to go to the supermarket because we haven't got any food.
10. They don't have to speak Russian to travel to Russia. Many Russians speak English.

Ответ: has to; don't have to; have to; don't have to

Прекрасно! Ты хорошо справился с этим упражнением. У тебя отличные результаты!