Fill in the blank with correct preposition:))
----- Nội dung dịch tự động từ ảnh -----
6. Metal rock is somewhat different __________ other types of rock music.
7. Are you aware __________ regulation against smoking in this area?
8. I'm not familiar __________ that song.
9. She is keen __________ stamp collection.
10. The room was crowded __________ students.