Bài 4
2.My house is bigger than his house
3.Mai is younger than her sister
4.Mr.Ha is fatter than Mr.Tuan
5.My brother is stronger than me
6.I'm shorter than Hoa
7.Phuong's rôm is larger than Lan's room
8.Ms.Linh is more beautiful than Ms.Huyen
9.This exercise is more difficult than that exercise
10.My toy are icer than your toys
Bài 5:
1.harder than this exercise
2.is more expensive than the black car
3.less interesting than this one
4.shorter than this one
5.younger than Ms.Lan
6.is bigger than mine
7.is smaller than her old one
8.is cheaper than the black one