. Choose the best option * 1 điểm A. smaller B. more small C. more smaller 2. Choose the best option * 1 điểm A. moderner B. more moderner C. more modern 3. Choose the best option * 1 điểm A. happier B. more happier C. A &B are right 4. Choose the best option * 1 điểm A. bigger B. biger C. more bigger 5. Choose the best option * 1 điểm A. more expensive B. cheaper C. A&B are right 6. Odd one out * 1 điểm A. creative B. friendly C. small 7. Choose the correct sentence * 1 điểm A. Nga is smart and nice. B. Nga is smart C. A&B are right. 8. Choose the correct sentence * 1 điểm A. The streets are busier. B. The street is busy C. A & B are right. 9. Choose the correct sentence * 1 điểm A. This house is modern than that house. B. This house is modern that house. C. This house is more modern than that house. 10. Choose the correct sentence * 1 điểm A. My school is small than Hoa's school. B. My school is small than Hoa's school. C. My school is smaller than Hoa's school.