中小学习题试卷教育文档 I’ll be busy taking care of my newly-born brother. He caught a high fever yesterday and I don’t think my mother can deal with the mess without my help since my father has gone on a business trip.

I sincerely hope that you can accept my apology and understand my situation. Given another chance, I would gladly go with you. So let me know when it's convenient for you. I’m looking forward to your reply.

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Hua

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Li