Verified answer

Ответ:

1. Can you speak German?
2. My sister can't walk ten kilometres.
3. We can learn Spanish at my school.
4. A: Can your brother play football?
5. B: Yes, he can.
6. Where can we buy new trainers?
7. Our teacher can't find our homework.
8. A: Can you do this exercise?
9. B: No, I can't.
10. They can't help us.

:::::::::::::::::::::::::::::::::::::::::::::::::