1. Mary began playing the piano 4 years ago. Mary has 2 My father hasn't been to Hanoi for 5 years. -> It's My father has 3. My father is reading a newspaper. He started 2 -> My father has 4. It's four years since I wrote to her. I 5. The last time I went to see them was over a year ago. > It 6. It is two weeks since it last rained. It has 7. Jane started keeping a diary five years ago. Jane has 8. I last went swimming in 2001. ->I havent gone to 9. I started to study English when I was 10 years old. I've 10. We haven't seen Tom since he moved to London. -> We last 11. My father hasn't driven a car before. It's 12. She has never been to the ballet dancing before. ->This is 13. I went over my lesson and then went to school. Before 14. Before he watched TV, he had done all his exercises. ->After 15. My teacher is the most generous person I've ever met. I've never 16. This is the first time I have ever met such a famous person. I've 17. How long is it since they bought the house? When did they 18. I have never read such an interesting novel. This is 19. After he had worked hard many years, he retired. Before 20. When did you collect stamps? How long_ I THE BEST ANSWER buy