giúp mik vs ạ ----- Nội dung dịch tự động từ ảnh ----- 14. The last time she met her parents was a year ago. (last) 15. I started reading the book last night. (have) 16. This is the first time she has eaten a frog hotpot. (before) 17. He started working as a teacher 30 years ago. (since) 18. It's the first time they have visited the museum. (haven't) 19. There are problems with the children. There are problems with their parents.