Помогите с модальными глаголами.

1.You ... not discuss the subject with you friends.
2. If you are under 17 you ... not drive a car in Britain.
3. If one wants to master a foreign languagee he ... work hard.
4. Carol knows a lot about films. She ... go to cinema a lot.
5. ... I have a look at your identity card?
6. What are you doing this weekend? - I don't know for sure but ... go to London.
7. You ... see the sea from the hotel window.
8. You ... cross the street when the light is green.
9. ... I discuss the subject with my friends?
10. Shall i sign all the papers? - No, you ..., it's not necessary.
11. They didn't want to come with us at first but we ... to persuade them