16. He asked Lan how many students there were in the college.

17. Lan asked me who the headmaster was.

18. He asked Nga what country she came from.

19. Lan asked me how long I stayed there.

1. He said he had been there 2 days before.

2. She asked me where I went the previous night.

3. The told him they would visit Halong Bay the following week. 

4. Tuan asked me whether I liked the classical music.

5. They wonder if the package arrived on time.

6. She said her brother wanted to be a pilot.

7. Hoa asked me which place in Vietnam I spent my summer vacation.

8. The police warned that no entertainment activities would be held there during the typhoon. 

16.He asked Lan how many students there were in the college.

17.Lan asked me who was the headmaster.

18.He asked Lan what country she came from.

19.Lan asked me how long I stayed there.

20.He asked Lan how she would use English in the future.

Ex3.

1.He said that he had been there 2 days before.

2.She asked me where I had gone the previous night.

3.They told him that they would visit Ha Long Bay the following week.

4.Tuan asked me whether I played classical music.

5.They wondered that if the package would arrive on time.

6.She says her brother that she wanted to be a pilot.

7.Hoa asked me which place in Vietnam I would spend my summer vacation.

8.The police warned that no entertainment activities would be held there during the typhoon.