大家看看那个首字母填空里最后是这句话：I think the mother elephant is.

Tomorrow is Sunday. Lucy and Lily are going to the zoo in the park. They are going to have a look at the animals there. The park is quite near their school. They are going to walk to the park. In the zoo they can see pandas, tigers, monkeys and many other animals. Which is the biggest animal in the zoo, don you know? I think the mother elephant is.