题目内容：

根据对话内容，在句中横线上填写适当的话语，使对话完整，正确。（每空词数不限）

Lucy： Look! What’s that?

David： 1.______________________. Let’s ask Han Mei.

Lucy： Han Mei， what’s that thing with three legs?

Han Mei： 2._________________.

Lucy： A cup? It’s very strange. I’ve never seen a cup with three legs.

   Han Mei： Yeah. It was used in the old days.

Lucy： 3.______________________?

Han Mei： It was used for drinking wine.

David： 4.____________________?

Han Mei： It was made of metal.

David： Hmm. It’s interesting， isn’t it?

Lucy： Yeah. Look! There’s a teapot in a bowl.

David： What was the teapot used for?

Han Mei： That’s not a teapot. It was for serving wine. The big bowl was used for keeping the wine warm.

Lucy： Oh， I’ve learnt a lot about old Chinese 5.__________ today.

David： Me， too.