Напишите вопросы, начинающиеся с How long...?

1. Helen is on holiday. **How long has she been on holiday?** 2. Steve and Nadia are in Brazil. **How long have they been in Brazil?** 3. I know Amy. **How long have you known Amy?** 4. Emily is learning Italian. **How long has Emily been learning Italian?** 5. My brother lives in Canada. **How long has your brother lived in Canada?** 6. I'm a teacher. **How long have you been a teacher?** 7. It is raining. **How long has it been raining?**