第1个回答 2016-01-05
dear marry,
thanks for inviting me to your birthday party . I am eager to be with your that day, but it's a pity that i cannot come, for my mother was ill, and she has to go to see a doctor . thus, i have to look after my little brother when my mother is absent. And you know that the exam is around the corner, so i have to devote myself preparing for the test.
i hope you have a nice day!
yours,
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