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Brazil （巴西）
Which country has this flag?
the U.S.A. （美國）
Which country has this flag?
Australia （澳大利亞）
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Thailand （泰國）
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Vietnam（越南）
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South Africa (南非）
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South Korea (韓國）
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Canada （加拿大）
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Mexico （墨西哥）
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Taiwan （台灣）
Which country has this flag?
Spain （西班牙）