补全对话。（用所给出的句子把对话补充完整，把编号填在横线上。）

A：Oh, this farm is so big.            
B： They're lambs.
A：                     
B：There are nine.
A：                           
B：No,they aren’t. They’re cows. They’re fat.
A：                       
B：They’re white and black.
A：Look, are those hens?
B：                           

科目 英语   题型 选择题   难度 中等

知识点： 情景交际