下面短文中有10处语言错误。请在有错误的地方增加，删除或修改某个单词。增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下

下面短文中有10处语言错误。请在有错误的地方增加，删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
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.每处错误及修改均仅限一词；
2.只允许修改10处，多者（从第11处起）不计分。
Today is my father’s birthday. To celebrate his birthday, I went to a shop and choose a present for him. After that, I went home by the train. On the way, I was imagining how happily my father would be when he accepted the present. The train got to the next stop before I knew it. An old lady got the train. Every seat was taken, but she had to stand with two heavy bags in both of her hand.
After an immediate hesitation（犹豫）, I gave my seat to her and he was grateful for all what I did.
In my opinion, give others a hand whenever they are in trouble not only brings happiness to the ones who receive it but also to the ones who give it.