Correct the mistakes 1 They have been in Paris last Saturday 2 How long have you been knowing Jane? 3 We didn't do homework

1. They were in Paris last Saturday. 2. How long have you known Jane? 3. We haven\'t done homework yet. 4. He has been waiting to see the doctor since nine o\'clock. 5. Mary isn\'t at home. She\'s at work. 6. I have been running in the park for 2 hours, so I\'m tired. 7. Nobody has been chosen for this position so far. 8. They haven\'t spoken to each other for two years.