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duck
chicken
pig
cow
two sheep
How many sheep are there?
How many cows are there?
There are 5 cows.
on the farm 在农场
请注意 “在农场” 应用介词on
chicken 鸡肉
请注意 不可数名词 不加s
sheep 绵羊
请注意 复数形式是sheep
a (chicken,cat ,dog,duck)
复数cats,dogs,ducks,chickens
Language points
A: What’s this?
B: It’s a ______.
A: What’s this?Is it a duck?
B: Yes, it is. No,it isn't
B: It is a chicken.