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1. Your hair needs cutting. → It's time you ___________________________________________ 2. I last saw her three years ago. → I haven't ___________________________________________ 3. The teacher will explain the lesson until all the students understand it. → The lesson ___________________________________________ 4. They sell jeans all over the world. → Jeans ___________________________________________ 5. People are going to build a new library in the area. → A new library ___________________________________________ 6. The clown made us laugh a lot. → We ___________________________________________ 7.You have to finish your homework on time. → Your homework ___________________________________________ 8. My mother open the shop at six o'clock. → The shop ___________________________________________ 9. We didn't remember her name. → Her name ___________________________________________ 10. The boss will hold the meeting before the weekend. → The ___________________________________________ 11. No one asked you about that accident. → You ___________________________________________ 12. The government has provided the victims with food. → The victims ___________________________________________ 13. It has been five years since Mr. Tom started to play the guitar. → Mr. Tom has ___________________________________________ 14. I haven't eaten this kind of food before. → This is the first time ___________________________________________ 15. The number of people killed in industrial accidents this year is 15. → Already this year, 15 ___________________________________________ 16. My daughter has learned English for 3 years so far. → It's ___________________________________________ 17. When did you start learning English? → How long is ___________________________________________ 18. She hasn't flown to Sydney with him since February. → The last time ___________________________________________ 19. It's been two years since we visited Ha Noi. → The last time ___________________________________________ 20. How long is it since they bought the house? → When ___________________________________________ 21. It's a long time since he stopped smoking cigarettes. → He hasn't ___________________________________________ 22. Minh's friend began to watch that films half an hour ago. → Minh's friend has ___________________________________________ 23. Mai last met that teacher when she was a little girl. → Mai hasn't ___________________________________________ 24. My sister hasn't been to England for three years. → The last time my sister ___________________________________________ 25. I haven't corresponded with my close friend for four months. → It's four months ___________________________________________ 26. The last time she flew to Sydney with him was in February. → She hasn't ___________________________________________ 27. When did you start learning English? → How long is ___________________________________________