第1个回答 2015-12-16
Dear Tom,
Thank you very much for inviting me to your birthday party. I’d love to go but I can’t. I’m really busy this weekend. My parents who are out on business are coming back next week, my grandma who is ill in bed has to be looked after by me, and I have to study for the coming English test. I’m very sorry that I can’t go to your party. Thank you for asking me and I hope you can have a good time.
Yours,
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