按要求完成下列句子。(20分)
（1）Can you speak English？(作出肯定回答)
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（2）I can sing and dance.(变成否定句)
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（3）I can play football.I can swim.(合成一个句子)
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（4）can，some，speak，English，I (.)(连词成句)
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（5）Pleased to meet you.(同义句)
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