----- Nội dung dịch tự động từ ảnh ----- III. Fill in each blank with a suitable preposition. 1. Gangnam Style, by a 34-year-old South Korean Singer, Psy, first appeared 2. I bought some souvenirs 3. Fiona is getting better and better 4. Our country is rich 5. The school cafeteria only opens 6. My mother is very keen 7. The science books are 8. I am 13 years old now. I prefer to talk 9. the rack 10. the corner of the room. 11. ______ my age. 12. ______ YouTube in July.