根据句意用所给单词的适当形式填空。Everyone should behave {#blank#}1{#/blank#} in public. (polite)
--Who's that boy standing over there? --Sam, a foreign friend of{#blank#}2{#/blank#} . (I)
After working all night, Kate couldn't stay{#blank#}3{#/blank#} the next morning. (wake)
The UK is an old {#blank#}4{#/blank#} country, where there are many palaces and castles. (Europe)
Nothing would prevent UNICEF, an international charity,{#blank#}5{#/blank#} the living standards of the children in poor areas. (raise)
