按要求改写句子。
1. They will study online together. (对划线部分提问)
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2. I am ten years old now. (用in three years代替划线部分)
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3. Farmer Wang got his crops in by hand in the past. (对划线部分提问)
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4. your, on, a, write, wish, piece, paper, of, down, (.)（连词成句）
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5. put, box, paper, in, your, then, this, time, (.)（连词成句）
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