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mphg179
2 năm trước
cho hai đường thẳng yz và mn cắt nhau tại A. Ax là tia phân giác của góc mAy , At là tia phân giác của yAn, Chứng minh :Ax vuông góc At cái đề mik ghi hơi bị rắc rối 1 tí mong các bn j mik
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1. We started to live here in 2012. → We have...................................................................................... 2. We have learned English for 3 years. → We stared …………………………………………… 3. I started playing soccer 5 years ago. → I have........................................................................... 4. My father began smoking when he was eighteen. → My father has……………………….... 5. He learnt to drive when he was 16 years old. → He has been driving………………………… 6. It’s 3 years since we last met uncle Tom. → We haven’t…………………………………… 7. It’s the first time he won the school prize. → He has………………………………………… 8.This is the first time they’ve been to England. → They have never………………………… 9.I haven’t been here before. → It’s the first……………….. ……………………………….. 10. I’ve never talked to the headmaster before. → This is…………………………………….. 11.It’s my first visit to Vung Tau. → It’s the first time……………………………………….... 12. Mary hasn’t seen his sister since he left for Japan. → Mary last…………………………… 13.It’s nearly two years since I last saw Tom. → I haven’t…………………………………… 14. The last time I went to London was two years ago. → We haven’t……………………….… 15. We last went to My Son three years ago. → It’s…………………………………………… 16. Huong last wrote to her parents two months ago. → Huong hasn’t……………………………… 17. We haven’t eaten this kind of food since Mary’s birthday party. → The last time……………… 18. I haven’t seen my grandparents since January. → The last time……………………………… 19. I haven’t heard from Maria for a long time. → It’s………………………………… 20. We haven’t been to the concert for over a year. → The last time………………………… 21. He hasn’t been back to his village for over 30 years. → It’s…………………………………… 22. She last wore that dress at her sister’s wedding. → The last time……………………………… 23. It’s ages since my sister was last here. → My sister has……………………………… 24. I haven’t seen her since Peter’s party. → The last time…………………………………… 25. The last time I met him was 3 years ago.→ I haven’t ……………………………… 26. It was a long time ago when I saw a movie. → It has……………………………………… 27. I have never read such a romantic story before. → This is……………………………… 28. This is the most beautiful girl I’ve never met. → I have never…………………………… 29. When did you last ride a bike? → How long is it………………………… 30. When did you start working in that factory? → How long…………………………………… 31. How long is it since he bought the computer? → When………….....................…………………

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