10. She hasn’t gone out with him for five months. It is.............................................................................................................................. 11. My father hasn’t planted trees in the garden for two months. My father last ............................................................................................................. 12. They began to study Math at 7 o’clock. They have ................................................................................................................... 13. The Parkers have not visited Paris since last Christmas. The last time ............................................................................................................... 14. His uncle has repaired the car since this morning. His uncle began .......................................................................................................... 15. We haven’t tasted such delicious food before. This is......................................................................................................................... 16. How long is it since you began to play the piano? When .......................................................................................................................... 17. Eight years ago, we started writing to each other. We have...................................................................................................................... 18. I haven’t gone swimming for 3 years. I last............................................................................................................................ 19. It’s a long time since I last played badminton. I have ..........................................................................................................................