短文改错。 文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词

题目：

短文改错。

     文中共有10处语言错误，要求你在错误的地方增加、删除或修改某个单词。

     增加：在缺词处加上一个漏字符号（∧），并在其下面写出该加的词;

     删除：把多余的词用斜线（\）划掉;

     修改：在错的词下划一横线，并在该词下面写上修改后的词;

     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11处起）不计分。

     Thank you very much for invite me to your birthday party in Saturday morning. I'd like to come and I

have to go to my hometown to see my grandparents. They were very old and unluckily they are in a bad

health recently. My mother has already made a telephone calling to them and promised visit them with me

this Saturday. My mother said we will stay at my grandparents' for the whole weekend. So I'm real sorry I

can't attend your party. I do hope you will understand all this. Here I wish you a lot fun on your birthday and

many happy returns of the day.

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