1. Those pictures have been stolen. They were very valuable.
  2. He is a reliable follow. I can trust him with anything.
  3. This summer has been very warm. That is very unusual in this country.
  4. That river flows through London. It is the Thames.
  5. The Thames flows through London. It is a beautiful river.
  6. My uncle gave me a bicycle. This is it.
  7. That work entailed a number of expenses. I had not allowed for them.
  8. Bernard Shaw died in 1950. He wrote St. Joan.
  9. You have given me your help. Thank you.
  10. This is the house. I would like to buy it.