Dear Mary,
Thank you very much for inviting me to your birthday party.
1. I / be afraid / not be able / come.
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2.I / many things to do / this week.
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3. I wish / can go / party.
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4. I / offer / emvroider / Jeans / as a gift.
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5. I hope / like it.
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I wish you many happy returns.
Yours,
Peter.