2. Make questions with How long...?

1. Jane is on holiday. How long has she been on holiday? 2. Scott and Judy are in Brazil. How long have they been? 3. I know Amy. How long have you known? 4. Diana is learning Italian. How long has she been learning? 5. My brother lives in Canada. How long has he lived? 6. I'm a teacher. How long have you been? 7. It is raining. How long has it been raining?