Ⅰ.标出下列句子中名词短语(NP)、形容词短语(AdjP)及副词短语(AdvP)并说出其语法功能
1．I think your answer correct and proper.
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2．Every nation, big or small, has its strengths and weaknesses.
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3．I have three close friends.
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4．The room was awfully dirty.
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5．He tried again and again.
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