11.
句子排序。
() What are those?
() Wow! You have a lot of animals! Are they sheep?
() Let me count. Mmm…Fifteen. Look, they are cows and hens.
() They're horses.
() Look! This is my farm.
() No, they aren't. They are goats.
() How many horses do you have?
() Your farm is so big. I like it.
. There are twenty 
and eighteen 
on the farm. You can see eleven 
, thirteen 
and fifteen 
.