Rewrite the following sentences, using the words given. Ex - He started working for this factory a year ago. He has been working for this factory since last year/for a year. 1.Tom began playing the piano 4 years ago. Tom has 2. 1 started cooking for the party 4 hours ago. I have 3. She started working as a secretary 2 years ago. She 4. My father is reading a newspaper. He started 2 hours ago. My father. 5.My sister began to study English a year ago. →My sister 6.Scientists began to fight against AlIDS in 1980. Scientists have 7.The Browns have been living in London for 20 years. →The Browns began 8. John has worked for this electronics firm since 1999. →John started 9. Women have been fighting for their rights since the middle of the 20th century. Women began 10. Jack and Jill have learned to drive for 2 weeks. Jack and Jill started, 11. How long have you studied English? When 12. When did you begin to do research on lung cancer? How long