Is it correctly to say in English?
1. Anna has already arrived in London. She is in London since Sunday.
2. I know Bill for a long time. I know him for 10 years.
3. We have always been friends and we have always been fighting.
4. My parents haven't travelled by second class, they had always been travelling by first class.
5. I've always been interested in sport.
6. Recently my older brother bought a camera.
7. - How long you've been here?
- I've been here since yesterday. I've always wanted to be here.
8. Have you already registered your luggage? - Not yet.