由于你没有说字数多少.我只好大概按照上面来翻译.希望对你有帮助Dear sister: I'm writing to let you know how much I love your gift.And my classmates appreciate it.But it was a pity that I cannot celebrate the birthday together with the elder sister. I hope elder sister will participate in my birthday next year.The day when it is my birthday,I invited some...