下列每个句子中均有一处错误,请指出并改正 1.There is public library in every country in China.

下列每个句子中均有一处错误,请指出并改正 1.There is public library in every country in China.
下列每个句子中均有一处错误,请指出并改正
1.There is public library in every country in China.
2.What a good news you've brought us!
3.Light traves faster than the sound ,doesn't it?
4.Most of students in my class come from the countryside.
5.I want to be soldier when I leave school.
6.I was an university student of English two years ago.
7.I used to work in a same shop as she did.