Answer(đáp án tham khảo)

1. Mary's father....He's a dentist.

2. Jack's parents live....His parents' home....

3. Our teacher's last name....She's one of the best teachers....

4. Our teachers' last names....They're all good teachers.

5. Ms Wells' husband....Ms. Hunt's husband....

6. It's well known that a bear likes....

7. Ann's telephone number....

8. Although it's found....our children's and grand children's lives....


(Tài liệu tham khảo: Betty Schrampfer Azar. Understanding and Using English Grammar.3rd ed.)
Review exercise