EX14. Chuyển các câu sau từ thì quá khứ đơn sang thì hiện tại hoàn thành sao cho nghĩa của câu không thay đổi. 1. The last time I played the violin was 2 years ago. => ____________________________________________________________________. 2. The last time the team won the prize was a long time ago. => ____________________________________________________________________. 3. She last did charity work 2 years ago. => ____________________________________________________________________. 4. The last time I wrote a letter was 5 years ago. => ____________________________________________________________________. 5. My father stopped smoking in 2014. => ____________________________________________________________________. 6. I last donated my blood 7 months ago. => ____________________________________________________________________. 7. When did you start doing charitable work? => ____________________________________________________________________. 8. The last time she involved in community service was 2 months ago. => ____________________________________________________________________. 9. She said: “I began working as an activist when I was 20 years old.” => ____________________________________________________________________. 10. My best friend gave up eating fast food last year. => ____________________________________________________________________.