xin chòa các con nợ của bạn
I 1b 2d 3a 4c 5d
II 1d 2b 3c 4a 5a
III
1b 2a 3c 4d 5a 6b 7a 8c
9d 10c 11a 12c 13b 14d 15b
IV
1. Because the teachers and most of his classmates are new.
2. They are all nice/ friendly to him.
3. His favourite subject is computer studies.
4. He wants to join the judo club.
5. Yes, he is.