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