1. Combine the two sentences by using a relative clause. Some clauses need commas, some do not:
1. I bought a new typewriter. It cost me a lot of money.
2. Tom is one of my closest friends. He is very intelligent.
3. That woman óver there is a singer. She is talking with your father.
4. I went to see a doctor. He saved the life of my son.
5. Dr.John lost his position. He hasn't done his job well recently
6. She looked up at the stars. They were twinkling in the sky now.
7. I know some people. They live in London.
8. Mr. Tan is a teacher of English. He is wearing a blue shirt.
9. The man is Mfr. Tan. He is wearing a blue shirt
10. You can buy these things at Ben Thanh Market. The market is in the center of HCMC.