Плиз помогите с двумя номерами !!!!

2. The Andes are very high mountains.
3. New York isn't capital of USA.
4. Football is a popular sport in Britain.
5. Paul is at work this week. I am on holiday.
6. Britain isn't a hot country.
7. All the shops are closed at launchtime.
8. I am not 21 years old today.
9. Too many chocolates aren't good for you.
10. Sally's teaches is Britich. She is American.
....
2. How old is he?
3. Is that your mother?
4. Who's that girlfriend?
5. How old is she?
6. Is that your brother?
7. What's his name?
8. Are those your grandparents?