按要求完成下列句子。
1. There are twenty-four desks in the classroom. (对画线部分提问)
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2. There are some books on the desk. (改为一般疑问句，作肯定、否定回答)
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3. There are some swings in the park. (对画线部分提问)
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4. There is a dog in the basket. (改为否定句)
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5. He can play the computer games. (改为一般疑问句)
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