I.Combine sentences, using Relative Pronouns or Adverbs: 1. Joan was planning to go to the conference. Her colleagues were waiting for him there.-> _________________________________________________________________________________ 2. A waitress served us. She was very impolite and impatient-> ________________________________________________________________________________ 3. He has written a lot of emails. He has contacted his friends all over the world via emails.-> _________________________________________________________________________________ 4. The birds have flown away. I found their nest in the tree behind my house.-> _________________________________________________________________________________ 5. Some people were arrested. They have now been releases.-> _________________________________________________________________________________ 6. He is curious about the reason. She has been sad in recent days for that reason.-> _________________________________________________________________________________ 7. We enjoy traveling to Dalat. There are a lot of places of interests there.-> _________________________________________________________________________________ 8. Many rivers and lakes around the world are polluted. This caused serious diseases to people using the river water.-> _________________________________________________________________________________ 9. We are moving to Manchester. Manchester is in the north-west.-> _________________________________________________________________________________ 10. The singer had to cancel her concert. She was recovering from flu.-> _________________________________________________________________________________ 11. She was greatly influenced by her father. She adored him.-> _________________________________________________________________________________ 12.He isn’t looking forward to the time. He will have to leave at that time.-> _________________________________________________________________________________ 13. My bike had disappeared. I left it at the gate.-> _______________________________ 14. Tom had been driving all day. He was tired and wanted to stop. -> _________________________________________________________________________________ 15. The pen is now carefully preserved. He wrote so many great novels with this pen. -> _________________________________________________________________________________