按要求完成句子。
1. We enjoy our time together. (改为过去式)
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2. I’m writing goodbye letters to my friends at school. (对划线部分提问)
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3. I write “Wishing you happiness every day” in every letter. (对划线部分提问)
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4. You bring us a lot of joy. (改为过去式)
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5. writing, in, your, what, are, letters , you (?) (连词成句)
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