Ⅴ. 阅读对话，回答问题。
A:What can you see?
B:I can see some pandas.
A:What are they doing?
B:They are eating lunch.
A:Can you see the elephants?
B:Yes,they're drinking water.
A:Can you see the geese?
B:No. I can see the ducks. They're swimming now.
1. What are the pandas doing?

2. What are the ducks doing?

3. Can you see the elephants?

4. Are the elephants sleeping?

1. They are eating lunch. 2. They're swimming. 3. Yes, I can. 4. No, they aren't.