Ai giải hộ em với ạ! Em cảm ơn nhiều! 6. My father hasn’t smoked cigarettes for a month. A. It’s a month since my father last smoked cigarettes. B. It’s a month ago that my father smoked cigarettes. C. It’s a month that my father hasn’t smoked cigarettes. D. It’s a cigarette that my father smoked a month ago. 7. The last time I saw Rose was three years ago. A. I hasn’t seen Rose for three years. B. I haven’t seen Rose three years ago. C. I haven’t seen Rose since three years. D. I haven’t seen Rose for three years... 8. Mr. Brown bought this car five years ago. A. Mr. Brown started to buy this car five years ago. B. It has been five years when Mr. Brown bought this car C. Mr. Brown has had this car for five years . D. It is five years ago since Mr. Brown bought this car. 9. I might go camping. My friends have invited me. A. My friends have invited me to go camping. B. My friends have invited me go camping. C. My friends have invited me going camping. D. My friends have invited me that I might go camping. 10. I haven’t enjoyed myself so much for years. A. It’s years since I enjoyed myself so much. B. It’s years since I have enjoyed myself so much. C. It was years since I had enjoyed myself so much. D. It has been years since I have enjoyed myself so much.