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最佳答案：a friend of my father’ssome old books of my elder sister’sa teacher of their’s不确
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最佳答案：1 an old book of yours2 your old book
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最佳答案：1 If you are patient, you can bargain new books in book bank.2 I can borrow the
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最佳答案：1.My classmates donated some used books to children who live in needy areas.2.Mi
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最佳答案：Not eager to leap a thousand miles, can only hope that day forwardHundreds of st