What falls often but never gets hurt?"
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What is pronouncedlike one letter, written with three letters,and belongs to all theanimals?
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What has four eyes but cannot see?
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What do vampiresdo at midnight?
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What can you catch but cannot throw?
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What is deaf and dumb but always tells the truth?
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What did one pennysay to the other?
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What has a tongue but cannot talk?
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姐姐和弟弟在做一个游戏：他们在桌上摆10枚硬币，轮流从中取走1枚、2枚或者4枚硬币，谁去最后一枚硬币算输。
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一个家庭有4个儿子，把这四个儿子的年龄乘起来积为15。
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