17. Peter congratulated his friend on greeting a promotion.

21. The thieves are reported to be arrested by police.

22. These students are thoght to have had done their best to pass the exam.

23. The Russian presedent is stated to came to vietnam next month.

24. He is rumored to have resigned the directorship last week.

25. These employes are known to be dismissed due to their laziness.

14.C  15.C 16.C 17.C 18.C 19.