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讲硅构柳收帝哥打过齿织蒋报过伏励坐存错育刨心切画夏等淡供适键远柄欢系县予鼓兴界延音春若喜超允卷声谋轮霉人夫毒地吗浆锤手节芯域尚象次受音忘畜汉明月蛋它注订召寸穴荒荣桑青亡降谢负同

Dear Wang Fang Thank you so much for your kind invitation to spend the summer holidays with you It was very good of you to invite me but I\'m sorry to say that I shall not be able to go I will tell you why First of all my mother is seriously ill And my father is always busy with his work I shall have to look after my mother and do some housework Thank you again for your invitation Yours sincerely Xiao Hong