第二节：短文改错（共10小题，每题1.5分，满分15分）
此题要求改正所给段文中的错误。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出一个勾（√ ）;如有错误（每行只有一个错误），则按下列情况改正：
该行多一个词：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。
该行缺一个词;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。
该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
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．_______      
As soon as we got into it 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．________