I. Rewrite the sentences: 7.  When did you have it ?  How long___________________________________________________________ 8. This is the first time I have had such a delicious meal .  I haven’t___________________________________________________________ 9. I haven't seen him for 8 days.  It has been ________________________________________________________  I last _____________________________________________________________  The last ___________________________________________________________ 10. It’s more than ten years since I last went to see him.  I haven’t __________________________________________________________ 11. I haven’t eaten this kind of food for 2 years  It has been _______________________________________________________  I last ______________________________________________________________  The last ____________________________________________________________ 12. I’ve never met such a famous singer before.  It’s the first time _____________________________________________________ 13. When did you begin to do research on lung cancer?  How long ___________________________________________________________ 14. How long have you studied English?  When_____________________________________________________________ 15. Women have been fighting for their rights since the middle of the 20th century.  Women began _______________________________________________________ 16. Jack and Bill have learned to drive for 2 weeks.  Jack and Bill started _________________________________________________ 17. How long is it since you went out with him.  When _____________________________________________________________ 18. Jack and Bill have learned to drive for 2 weeks.  Jack and Bill started _________________________________________________ 19. She started working as a secretary 2 years ago. She has __________________________________________________________ 20. This the most intersting film I have ever seen Never ___________________________