6. Kack was made to study a lot of the entrance exam to high school by his parents

7. Unless you have a passport, you can’t register for a course abroad

- Unless = if not

8. Quang suggested that we should visit the Royal Citadel first

- suggest + that + clause: đề xuất ý kiến

9. He is expected to join the company soon

10. She suggests using Perfume Pagoda as a theme of the presentation

- suggest + noun/noun phrase/ V_ing

6. Jack's parents made him study a lot for the entrance exam to high school.

-> Jack was made to study a lot for the entrance exam to high school by his parents

7. You can't register for a course abroad if you don't have a passport.

-> Unless you have a passport, You can't register for a course abroad

8, " Why don't we visit the Royal Citadel first ?" Quang said.

→ Quang suggested that we should visit the Royal Citadel first.

9. People expect that he will join the company soon.

-> He is expected to join the company soon

10. Shall we use Perfume Pagoda as a theme of the presentation?

-> She suggests using Perfume Pagoda as a theme of the presentation