Mình sửa lại nhé, quên gạch chân :
Câu 2:
The dog has got longer ears than the cat. The cat aren't as long as the dog's. The rabbit has got the longest ears of all.
Câu 3:
The green hat is cheaper than the red hat. The yellow hat is as expensive as the green hat but the red hat is the most expensive of all.
Câu 4:
A bird is bigger than a butterfly but smaller than a goat. A butterfly is the smallest of all.

Bài 44
2, The dog has got longer ears than the cat.The cat aren't as long as the dog's.The rabbit has got the longest ears than all
3, The green hat is cheaper than the red hat. The yellow hat is eaqualer/as expensive as than the green hat but the red hat is the expensive than all
4, A bird is bigger than a butterfly but it is smaller than goat. A butterfly isn't bigger than a bird.A butterfly is the smallest than all
Bài 45
2, A car is more than a bicycle
A bicycle is cheaper than a car
A car isn't as slower as a bicycle
A bicycle is less comfortable than a car
3 A rat is dirtier than a dog
A rat is noisier than a dog
A dog is more intelligent than a rat
A rat isn't as friendlier as a dog
Good luck