giúp mình vơi ạaaaaa

7. he has worked in that company for 6 months.

8. maria last visited her grandparents 5 years ago.

10 với 9 mình chưa học tới'-'

11. we haven't met you for a long time.

12. i have never had such a delicous meal before.

13. the last time i went to work was 1 month ago.

14. It is 5 days since i last talked to him.

Giai thích: sử dụng thì hiện tại hoàn thành