参考词汇：Koala,tiger,elephant,dolphin,lion,penguin,giraffe,cute,interesting, friendly.
推荐回答
Last Sunday,I went to the zoo .I saw many animals there.There are many tigers,elephants and lions.My favorite animals are Koalas and penguins.The koalas are very cute.They are lazy and they like to eat leaves.The penguins are very interesting.They can swim very well.And they are friendly to people.I had a good day.