句型What is it? It's a... — 英语情景题

Lily 和 Tom 在宠物店里玩猜动物游戏。请补全对话中所缺的句子（每空一词）。 Lily: Listen! Miao, miao... What (1)________ it? Tom: (2)________ a cat! Lily: Yes! Look at that one. What is it? Tom: It (3)________ a rabbit. Lily: Right! I like animals very much. Tom: Me too! Let's look at more animals together.