Dialogue:
A: Where did you go last weekend?
B: I went to the Zoo with my parents .There are so many animals.
A: What animals have you seen in the Zoo?
B: Tigers, monkeys, elephants. ...
A: Oh, it is great. What animals do you like best?
B: I like the tiger and monkey best. The tiger is big but the monkey is small. I think the
tiger is bigger than the monkey. What animals do you like best?
A: I like the elephant best. I think the tiger is smaller than the elephant. By the way,
have you seen giraffes and lions in the zoo?
B: Yes, I have. And the giraffe is taller than the lion!
A: Yes, I think so, they are all so cute!