I,
1 whom
2 that
3 that
4. Không bỏ
5 whom
6 không bỏ
7 không bỏ
8 which
II,
1. The bus which I take to school is always crowded
2. I don't know the song which they are singing
3 I usually go to the supermarket which has fresh vegetables
4. Peter likes the foreign family which he is living with
5. The music which we listened to last night was gentle
6 She couldn't understand the man whom she talked to on the phone
7. The play which she went to is interesting
8. My computer which I bought in Bac Giang in 2007 is expensive
9 She told me her address which I wrote down on a piece of paper