Tìm một lỗi sai rồi sửa lại

Tìm một lỗi sai rồi sửa lại :
1. When I was having lunch, two friends of mine were coming to see me.
2. what happens to the glass when it is sending to the factory
3.If you couldn't guess the answer, I will win the game
4. Mr. hai decied to give up her job in order to have more time with her children
5. all the people lived in this village can speak French and English
6.by whom was the famous song " white christmas" writting?
7. France has presented the Statue of Liberty to the United States in 1876
8. Discovered penicillin made Sir Alexander Fleming famous all over the world