Unit 4 Let ’ s learn(B) P42 ---What's this ? ---It's a horse . ---What are these? ---They are horse s. ---What's this ? ---It's a cow . ---What are these? ---They are cow s. ---What's this ? ---It's a hen . ---What are these? ---They are hen s. ---What's this ? ---What are these? ---It's a sheep . ---They are sheep . These are sheep. Wow! They ’ re so cute! horses cows hens hen horse cow sheep sheep fat horses strong ducks beautiful
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