----- Nội dung dịch tự động từ ảnh ----- **FILL IN THE BLANKS WITH PROPER PREPOSITION:**
1. Mr Smith is very kind 2. He is different 3. We are pleased 4. Most people are afraid 5. Our country is rich 6. Blue city is famous 7. My mother is always busy 8. We are proud 9. Dirty air is harmful 10. The climate of our country is good 11. The streets are crowded 12. The writer's attitude is profitable 13. The seas enclosed our country 14. The art at the seaside is good 15. John is skillful 16. Dancing is fun 17. This opportunity is lucky.