周末Sam带着弟弟Tom去动物园。好奇的Tom问这问那。请根据他们的路线图,将下面的句子重新排序,组成一段完整的对话。(将句子的序号填在相应的括号内)
1. Four birds.
2. It’s a panda.
3. No, it isn’t. It’s a chameleon.
4. Wow! Birds! How many birds?
5. What’s that? Is it a monster?
6. What’s this?
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