Sắp xếp câu theo đúng thứ tự hợp lí. A. Mai: It was an accident! I didnt know the file had a virus. Ill be more careful next time. B. Lan: What happened? C. Mai: I asked a computer repairman to come to the office. He worked all day to repair my computer. But the real problem is that I may have lost some of my work. D. Lan: Was it because of a virus? E. Mai: I had a big problem at the office today! F. Lan: What did you do next? G. Mai: I could not use my computer all day! H. Lan: Oh no! You must be careful when you open files in your email. A virus can make your whole computer crash. I. Mai: Yes. I opened a file that had a virus. J. Lan: Dont worry. Your work is probably still on your computer. I can help you get it back. Next time, make sure you have back-up files. Just in case it happens again! 26_______27_______28_______29_______30_______ 31_______32_______33_______34_______35_______