Popraw błędy w zdaniach.

1. Amanda works in our office since February.
2. Mike and Bill didn't talk to each other since they fell out.
3. How long has you known each other?
4. My brother has gone to school at 8 o'clock.
5. We haven't finish the project yet
6. Be careful! I just cleaned the floor.
7. Bethany is my best friend. We have met every Saturday for a glass of wine.
8. The webinar has begun ten minutes ago.
9. Don't worry, the movie just started. You haven't missed much.
10. My cousin is very talented. She has painted beautiful pictures.