题型：填空题 题类：真题 难易度：普通
Everyone should behave in public. (polite)
--Who's that boy standing over there? --Sam, a foreign friend of . (I)
After working all night, Kate couldn't stay the next morning. (wake)
The UK is an old country, where there are many palaces and castles. (Europe)
Nothing would prevent UNICEF, an international charity, the living standards of the children in poor areas. (raise)
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