题目内容：

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A boy once gave his girl friend five walnuts f＿ her birthday.She
didn't think the p____ nice.She gave the walnuts to her mom,and her mom put t____ in a bowl w___ other walnuts.
Later that day the girl's boy friend came to v___.He asked the girl w___ she had done with the walnuts,and he told her that had
placed a diamond ring in o___ of the walnuts.How foolish the girl
felt!She got the b___ of walnuts.Then she and the boy cracked the walnuts u___ they had found the one that had the r___in it.