选出恰当的句子，补全对话。A. Are these carrots?
B.Who is this man?
C. Thirty-five.
D. He's a farmer.
E.Is this a dog?
A: Look at the picture of my family
B:1____
A: He's my uncle
B:What's your uncle?
A:2____ Look! It's his farm
B: Wow! It's so big!3____
A: Yes, they are
B:4____
A: No, it isn't. It's a mother pig
B:How many pigs are there in his farm ?
A:5____1. B 2. D 3. A 4. E 5. C