Dave: Angela, what did you do last weekend?
Angela: I did my homework on Saturday and went to the zoo on Sunday.
Dave: Did you have a good time at the zoo?
Angela: Yes, we had a great day. I took my little sister Maria — it was her birthday. First we went to the aquarium (水族馆) because Maria loves dolphins (海豚).
Dave: Really? And how many dolphins did you see?
Angela: Oh, there were about six or seven, quite a lot. There were also some sharks (鲨鱼) — just small ones, with big teeth!
Dave: So what did you do after that?
Angela: Well, then we had lunch. And after lunch we went to see the "big cats"— the lions and the tigers. They were great!
Dave: Lions and tigers! I like them. And how many other animals did you see?
Angela: Um, we saw some bears — three or four bears, I think. Maria liked to see them. She wanted to see some elephants too, but we couldn't see them — they were sleeping. There weren't any camels or giraffes, but we really had a great day.
