【题目】按要求完成句子。
1. These are pumpkins.（改为一般疑问句）
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2. They are potatoes. (改为否定句)
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3. are what these ？ (连词成句)
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4.It’s so big. （翻译句子）
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【答案】1. Are these pumpkins? 2. They are not potatoes. 3. What are these?. 4. 它很大。
【解析】
略
