根据要求完成句子。
1. shoes / buy / Sam / to / a / wants / of / pair ( . ) ( 连词成句 )
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2. I’m hungry. ( 改为一般疑问句 )
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3. It’ s eighy-two yuan. ( 对画线部分提问 )
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4. Tim has a blue hat. ( 改为否定句 )
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5. The balloon is yellow. ( 对画线部分提问 )
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