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   It was a cold day ______ winter. A farmer found a snake on his _______ home. It was nearly (几乎) dead with ______. The farmer was very kind. He put it carefully ______ his warm clothes and ______ it to his house. Soon the snake began to move, but it raised (抬起) ______ head and tried to ______ the farmer. “Oh,” said the farmer, “I saved your life, ______ you thank me like this! You ______ die the sooner the better!” ______ he killed the snake with a stone.