12. I have not met her for three years. A. The last time I met her was three years ago B. It is three years when I will meet her. C. I did not meet her three years ago. D. During three years, I met her once. 13. She has taught her children to play piano for 4 years. A. She started teaching her children to play piano 4 years ago. B. She started to teaching her children to play piano 4 years ago. C. She started teaching her children to play piano for 4 years ago. D. She started teaching her children to play piano since 4 years. 14. He started working in this company five years ago. A. He has worked in this company for five years. B. It was five years ago did he start working in this company. C. He hasnt worked in this company for five years. D. It is five years since he has worked in this company. 15. He started learning French six years ago. A. He has learned French for six years. B. It was six years ago did he start learning French. C. He hasnt learnt French for six years. D. It is six years since he has learnt French. 16. The last time I went to the museum was a year ago. A. I have not been to the museum for a year. B. A year ago, I often went to the museum. C. My going to the museum lasted a year. D. At last I went to the museum after a year 17. The last time we met Nguyen Quang Hai football player was two months ago. A. We have met Nguyen Quang Hai football player for two months. B. We havent met Nguyen Quang Hai football player since two months. C. We havent met Nguyen Quang Hai football player for two months. D. We havent met Nguyen Quang Hai football player for two months ago. 18. We started to write to each other three years ago. A. We used to write to each other for three years. B. We have written to each other for three years. C. We wrote to each other since three years. D. We used to write to each other in three years. 19. He last had his eyes tested a year ago. A. He hadn't tested his eyes for a year. B. He didn't have any tests on his eyes in a year. C. He hasn't had his eyes tested for a year. D. The last time he tested his eyes was a year ago 20. He started working as an engineer 5 years ago. A. He worked as an engineer 5 years ago. B. He had worked as an engineer for 5 years. C. He didn't work as an engineer any more. D. He has worked as an engineer for 5 years. 21. . I haven"t eaten this kind of food before. A. This is the first time I"ve eaten this kind of food. B. I haven"t eaten this kind of food already. C. This is the first kind of food I have eaten. D. Even before I have not eaten this kind of food.