用括号里的词，将下列句子变成间接引语。
1. Mr. Wang said, “I will leave for Shanghai on business next month, children.” (tell)
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2. “Where are you going?” the father asked his son. (ask)
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3. “Are you sorry for what you have done?” the mother asked the naughty boy. (ask)
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4. “Let me pack the parcel for you,” he said. (offer)
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5. “Don’t make so much noise in class, boys and girls,” said the teacher. (tell)
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