8. He asked me how could he buy a phone card in that city.
9. She asked me where was her umbrella.
10. Martin asked us how we were.
11. She asked them what they were doing.
13. The teacher asked us who spoke English.
14. She asked her boyfriend which dresses he liked (best).
II.
1. She asked Minh if/whether he could speak Spanish.
2. Thanh asked her teacher if/ whether she would finish her exercise at home.
3. Nien asked Hoa if/whether she had many new friends.
4. My friend asked me if/whether I was going to leave the following day.
5. They asked us if/ whether we had to go then.
6. I asked Nam if/ whether he was free that night.
7. She asked the tourists if/ whether they knew the way to the station.
8. John asked Nhi if/whether Phong Nha Cave was in southern Vietnam.
9. The visitors asked if/ whether they could take The visitors.
10. Daniel asked Jim if/whether there was a cafe nearby.
IV.
1. yesterday -> the previous day/the day before
2. wants -> wanted
3. exploration -> explorer
4. have had => will have
5. Has => had (Quá khứ)