11.1 Which is right?

11.1 Which is right?

1. Ben is a friend of mine. I know him very well. (I know is correct)
2. I like your house. How long do you live here?
3. You'll need an umbrella if you go out now. It's raining.
4. The weather has been awful since I arrived here.
5. I'm sorry I'm late. Are you waiting long?
6. We've moved. We've been living in New Street now.
7. I met Maria only recently. I don't know her very long.
8. Lisa is in Germany. She's been there on a business trip.
9. That's a very old bike. How long have you had it?
10. I'm not feeling good. I'm feeling ill all day.