按要求改写句子。
1. Are there any apples on the tree? (肯定回答)
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2. There are some book on my desk. (改为否定句)
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3. I want some juice. (改为一般疑问句)
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4. Are there any balls in the room? (改为肯定句)
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5. Tom has some oranges. (用who提问)
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