1. Westminster is the political centre of London.
2. There are a lot of different offices in Westminster.
3. Westminster Abbey is one of the most famous churches in London.
4. He has not washed up yet.
5. Have you ever been to Africa.
6. They haven't seen him today.
7. She hasn't done her homework yet.
8. Our teacher was in London two years ago.
9. It takes him an hour to do the shopping.
10. It didn't take me long to get to the square.