Work in pairs to answer the following questions. 1) In what way have investions changed our lives?
2) Which ones have had the greatest impact on most people around the world?
3) Which ones would be the most difficult to live without?
4) Which one is the most important for you personally?
5) Are there any inventions that are harmful?
6) Are there any inventions or discoveries that you would add to this list?
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This woman is my sister. Her name is Mary. She is an engineer. Is your son an engineer or a worker?  He is  a worker. Who is your friend? My friend is Kate. What is she? She is a teacher. Where is your teacher?  He is here. My sister is in Minsk now. My friend is there too. Are Peter and Ann in Kiev? Yes, they are visiting their friends. Is their son in Kiev too? No, he isn't. He's here now. What does he do?   Who is this boy?    - He is my son. What is this girl? - She is an engineer. Is this man a doctor? Yes, he is. What's his surname? -His surname is Petrov. What is your wife?  - She is an engineer. Who is this man? - He's my friend.

1. Grandmother asked Ann if she liked her pies.
2. Tom’s mother told him to stop shouting and do his home­work.
3. Father asked John what he did at school the previous day.
4. Helen's aunt asked her if she would play the piano that day.
5. My uncle said to me that they would visit us the following week.
6. The man said to Nick not to cross the street when the lights were red.
7. Mike told his father that he had borrowed a very good book from their library the day before.
8. Lena invited Jane to come to her house the following day.
9. Betsy's mother asked her where her books were.