Find and correct mistakes
1.The teacher was pleasing with the result of your examination
2.The little boy didn't know how lacing his shoes 
3.Ordinary Americans are friendly and not afraid to show its feelings
4.The girl who were injured in the accident is now in hospital
5.The school library is free and open for all the pupils and teaching staff
6.Why don't you borrow books in the local library?
7.He had to admit that there were something in what mother kept saying
8.The students suggested buying flowers for the teachers in the Teachers' Day
9. No one have solved such a difficult problem