短文改错（共10小题；每小题1分，满分10分）
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后（∧），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. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
例如：
It was very nice to get your invitation to spend ∧ weekend with you. Luckily
the
I was completely free then, so I'll to say "yes". I'll arrive in Bristol at around 8:00 p. m.
am
in Friday evening.
On
One day as my mom stopped at a red light, a man dressing in rags on the side of the road caught my eye. He had a radio in his hand and was dancing happy to the music. The radio seemed to be the best thing he had.
“Mom, why does that homeless man buy a radio? Why didn’t he use the money to buy food and clothes? He wasted them on something unnecessary.” I asked. “Well, Sarah, sometime food and clothes aren’t the most important thing. We need happiness as well as.”
I’ve come to realize that happiness is the key to life, without that there’s nothing to look forward. Happiness is what we need to keep going.