短文改错：“Early in the morning at 7:20,we were gathered at the N

短文改错：“Early in the morning at 7:20,we were gathered at the National Stadium,namely the Bird's Nest.as soon as we got into it ten minutes late,we started to do sone cieaning.from 9:00 amto4:00 pm,we tried our best help the disabled athletes to get ready for their competitions,leading the audienceto their seatsand keep order.it was not until12:00 when we had lunch and took a rest,which last about an hour.we stooped working at 4:00.though it was a tired job,we felt it a honor to serve the disabled friends from all over the world.,

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Early in the morning at 7:20,we (去掉were) gathered at the National Stadium,namely the Bird's Nest.As soon as we got into it ten minutes (late改成later),we started to do some cieaning.from 9:00 am to 4:00 pm.We tried our best (加入to) help the disabled athletes to get ready for their competitions,(leading改成lead) the audience to their seats and keep order.It was not until 12:00 (when改成that) we had lunch and took a rest,which (last改成lasted) about an hour.We stopped working at 4:00.though it was a (tired改成tiring) job.We felt it (a改成an) honor to serve the disabled friends from all over the world.
再问： 改错I had an excited experience this week when i taught my classmates about the Internet. I taught them how to chat on the Net and it was real interesting.They learned how to use PowWow.I explained them that was a program that everybody use to chat and have fun. They are surprised because of a lot of people around the world can chat and practice his English at the same time.
再答： 楼主你打算问几道题目啊？ I had an (excited改成exciting) experience this week when I taught my classmates about the Internet. I taught them how to chat on the Net and it was (real改成really) interesting. They learned how to use PowWow. I explained (加入to) them that (加入it) was a program that everybody (use改成used) to chat and have fun. They (are改成were) surprised because (去掉of) a lot of people around the world (can改成could) chat and practice (his改成their) English at the same time.