根据要求改写句子。
【小题1】There isn’t any water in the bottle.(用 no 另写一句，但意思不变)
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【小题2】There are two books on the shelf. (对划线部分提问)
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【小题3】There are some trees in the garden.(改为否定句)
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【小题4】is, building, behind, our, there, a, classroom, garden(连词成句)
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