giúp tớ câu 4,9,11,13,14,15 vs ạ ----- Nội dung ảnh ----- 3. The black dress is more expensive than the red one. → The red dress........................................... 4. Today it is colder than yesterday. → Yesterday.................................................. 5. I don't think you are taller than me. → I don't think I... shorter than you... 6. Is Jim worse at Math than John? → Is John....................................................... 7. Jim looks much younger than his classmates. → Jim's classmates.......................................... 8. Your hair is longer than mine. → My hair is shorter than.......... 9. My sister speaks more quickly than me. → I speak......................................................... 10. Mary drives more carefully than Tony. → Tony drives................................................. 11. This is the best cake I’ve ever eaten. → I’ve never had............................................. 12. Lien's hair isn’t as long as my hair. → My hair is longer than Lien's hair. 13. Hong is the most pretty person in my class. → Hong is more............................................. 14. Do you have a ruler thinner than this ruler? → Is this ruler.................................................... ? 15. The white car is more expensive than the blue car. → The blue car is.................................................