第二节：短文改错（共10小题，每小题1．5分，满分15分）
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
My classmates and I worked as volunteer in Beijing               76．____________
Paralympics in September 13．Early in the morning at 7:20,        77．____________
we gathered at the National Stadium, namely the Bird’s Nest．     78．____________
Then we got into it and ten minutes late, we started to do          79．____________
some cleaning．From 9:00 am to 4:00 pm, we tried our best help        80．____________
the disabled athletes to get ready for their competitions, leading the   81．____________
audience to their seats and keep order．It was until 12:00 that we        82．____________
had lunch and took a rest, which last about an hour．We stopped         83．____________
working at 4:00．Though it was a tired job, we felt               84．____________
that it an honor to serve the disabled friends from all over the world．     85．____________