根据情景， 完成对话。
A: What's your favorite 1_____?
B: Dolphins.
A: Why do you like 2_____?
B: 3_____ they are very friendly, what about you?
A: I like 4_____. Do you know 5_____ they are 6_____ ?
B: Sichuan, China, I 7_____.
A: You're 8_____.
B: Let's 9_____ to the zoo tomorrow.
A: OK, I want 10_____ them, too.