=>

6. Why was the boy glad?
7. Who does this bag belong to?
8. How long does it take him to go to his office?
9. Who invented the telephone?
10. What did the doctor order him?
11. Who will captain the team if Nick isn't available?
12. What does your son do?
13. Why does she often listen to classical music?
14. How long did the meeting last?

6.Why was the boy glad?(because->lí do)

7.Who does this hand bag belong to?(my friend->người)

8.How long does it take him to go to his office?(15 minutes->thời gian)

9.Who invented the telephone?

10.What did the doctor order him?(to take a rest->hành động)

11.Who will captain the team if Nick isn't available?(Tom->người)

12.What does your son do?(an engineer->nghề nghiệp)

13.Why does she often listen to classcal music?(to relax her mind->lí do)

14.How long did the meeting last?(two hours->thời gian)