6. Geography is taught by Ann.
7. The sky is covered by clouds.
8. A question will be asked.
9. A letter was written by Nam.
10. The new product design has been finished.
11. The new presdient will be interviewed on the TV.
12. Our homework has been done.
13, The window was opened bu Anna.
14. Money is collected by john.
15. The course will be finished by the students on July.
16. The form must be filled in by him.
17. The window shoule be opened.
18. Your workbook shoule be opened.
19. The report is typed in her office by Linda.
20. Mai's clothes are ironed by her every morning.
Bn học tốt!!!