Ex: Viết lại câu sao cho nghĩa không đổi 16. I am not as good at Maths as my brother. My brother is .................................................. 17. Nobody in my class is fatter than Hoang. Hoang is the .................................................. 18. Learning English is not difficult. Its not difficult ............................................. 19. It often takes me two hours to do my homework every day. I often spend ......................................................................... 20. Would you mind closing the window for me? Can you .................................................................? 21. Her old house is bigger than her new one. -> Her new house......... 22. No one in my class is taller than Peter. -> Peter . 23. The black dress is more expensive than the white one. -> The white dress 24. According to me, English is easier than Maths. -> According to me, Maths . 25. No one in my group is more intelligent than Mary. -> Mary .