1. He asked Lan what she was doing.
2. Lan asked me what I would do when I left school.
3. He asked Lan how she had known his name.
4. He asked Lan why she hadn't phone him.
5. Lan asked me when she could see the doctor.
6. He asked Lan what she was going.
7. Lan asked Ba where he was going to spend the holiday.
8. He asked Lan how big the classes were.
10. Lan asked me what sorts of food they served.
11. Lan asked him how long he was staying there.
12. He asked Lan what she was going to study.
13. He asked Lan what kind of sports she liked best.
14. Lan asked me what I thought of the canteen coffee.
15. He asked Lan what the name of the college was.

The answers:

1. ... what she was doing.
2. ... what I would do when I left school.
3. ... how she had known his name.
4. ... why she hadn't phone him.
5. .... when she could see the doctor.
6. ...what she was going.
7. ... where he was going to spend the holiday.
8. .... how big the classes were.
10. ... what sorts of food they served.
11. .... how long he was staying there.
12. ... what she was going to study.
13. .... what kind of sports she liked best.
14. ... what I thought of the canteen coffee.
15. ... what the name of the college was.

cho mik ctlhn nha!!!