短文改错。
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。
文中共有10处语言错误，每句中最多两处。错误涉及一个单词的增加、删除或修改。
增加：在此处加一个漏字符号(∧)，并在其下面写出修改的词。
删除：把多余的词用斜线(＼)划掉。
修改：在错的词下划一横线，并在其下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从十一处起）不计分。
One day Rosa wrote to her friend, who was a doctor, invite him to have dinner with her families.
A few days later the doctor wrote back to her but she couldn't read his writing because the letters
were written careless. Then she asked her husband for the help, but he couldn't read it, too. Then her
husband got an idea. He told her that a chemist might be able read the doctor's letter. So the woman
went to chemist's. The chemist in the shop studied the letter for a long time but he gave her a large
bottle of medicine. He told the woman she should eat twelve pills a day. Finally Rosa still had no
idea whether her friend will come or not.
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