按要求改写下列句子。
1.Santa brought gifts for children.(变成一般疑问句)
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2.My father bought these gifts.(就画线部分提问)
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3.Mr. Smith sends me a camera.(写出其同义句)
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4.Is it from China?(做否定回答)
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5.We go and see the Christmas tree.(变成祈使句)
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