题目内容：

回信拒绝他人邀请 急用

优质解答

dear...,
i am so glade to receive your invitation. i also would like to , but i am not free at that time. thanks for your invitation.
yours
...

追问：

在长一点，加上我星期几干什么

追答：

dear..., i am so glade to receive your invitation. i also would like to , but i am not free at that time. i have to go to the city bookshop to find some books for my dady's presents. you know, my father is a book-reading lover. thanks for your invitation again. yours ...