1.They started a dacing class last week
=> Thay have learned a dacing class since last week
2. Mr.Smih saw the accident
=> The accident was seen by Mr.Smith
3.Somebody has taken my briefcase.
=> My briefcase has been taken
4. The teacher returned our written work to us
=> Our written work was returned to us by the teacher
5. She has finished the report by noon.
=> The report has been finished by her by noon
6. The mad dog bit the little boy.
=> The little boy was bitten by the mad dog.
7. The police have arrested five suspects.
=> Five suspects have been arrestedby the police
8. The doctor ordered him to take a long rest.
=> He was advised to take a long rest by the doctor
Câu 9 -> 14 lặp