1. Julia is an English teacher since 2002.
Julia has been an English teacher since 2002.
2. "Did you ever go sky - diving" "No, never".
"Have you ever gone sky - diving" "No, never".
3. Sorry I'm late. Have you waited a long time?
Sorry I'm late. Have you waited for a long time?
4. When have you bought this laptop?
Câu này đúng rồi bạn nhé.
5. Tom is studying English since he was at primary school.
Tom has studied English since he was at primary school.
6. Although he was tired but Tony tried to finish the report.
Chuyển 'but' thành dấy phẩy hoặc bỏ 'although' bạn nhé
7. J. K. Rowling is most famous woman writer in the world.
J. K. Rowling is the most famous woman writer in the world.
8. They have known each other since ten years.
They have known each other for ten years.
Good Luck !