首先,“金鱼”应写作：golden fish,gold fish 是“纯金的的鱼”,请更正.
I have three friends.They are Li Fei,Tony and Han Mei.They all like animals.Li Fei's favourite animal is the dog because the dog is clever and friendly.Also,the dog often help people.Tony likes cats best because they are cute.Han Mei's favourite animal is the goldenfish because the goldenfish is beautiful and smart.