按要求完成句子。
1.by, an, send, 3rd, email, Please, April, (.) (连词成句)
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2. is, last, month, of, year, a, December, the, (.) (连词成句)
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3.Will Sarah sing a song at the party? (做肯定回答)
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4.I'll act out the story. (改为一般疑问句)
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