II, 

1. He told me that he had something to show me then

2. She said that she was leaving there for Hue the next day

3. Tom said her that he would come with her as soon as he was ready

4. The father said to us that he had to go then

5. He asked the girl if she could play the piano

6. Hoa asked Maryam if she liked pop music

7. The man asked the boys where they lived

8. Hung asked Ba if he had stayed at home the night before

9. Lan asked Ha what she would do the next day

10. Peter asked me how long I had stayed there

III,

1. bought

2. was

3. sold

4. passed

5. could 

6. would sell