第一篇A boy gets a new best friendA farmers dog, Dolly, had puppies, and the farmer needed to sell them. He painted a sign (标志牌) and put it in his yard. As he was putting up the sign, a little boy walked up to his fence.“Sir,” he said, “I want to buy one of your dogs.”“Well,” said the farmer, “these dogs are very expensive.” “Can I just look?” asked the boy.“Sure,” said the farmer and whistled (吹口哨).“Here, Dolly!” he called.Dolly ran out from the doghouse and four little dogs followe
