假如你叫Laura,你的笔友Mary邀请你下个星期去拜访他.请你根据你的日程安排表,用英语写一封电子邮件给Mar

Dear mary
thanks for your inviteing. I am very glad,but I am so busy this week.and I have no time to visit you .I must finish hietory subject in mondy night ,these days I had a toothache so I shuold see a dentist on Tuesday ,English exam will come,so I want to study for it on wednesday . on thursday ,I must take piano lessones from seven to eight ,and I decided to see a lilm with my firend in friday night .I will go camping on this weekends.so I am so sorry ,I will visit you next week ,
yours
laura