1.6 пожалуйста(((((((((

2.It isn't windy today. or. It's windy today
3. My hands aren't cold. or. My hands a're cold
4. Brazil isn't a very big country. or. Brazil is a very big country
5. Diamonds aren't cheap. or.  Diamonds are cheap.
6. Toronto isn't in the US. or. Toronto is in the US
8. I'm hungry. or. I'm not hungry
9. I'm a good swimmer. or. I'm not a good swimmer
10. I'm intersted in football. or.  I'm not intersted in football