Tìm lỗi sai

tìm lỗi sai
1 when she come late to the party everyone was sitting around the fire
2 helping the disabled and the needy always makes me feel excited
3 can you show me how to use it?
certainly
4 the teacher of E encouraged her students speak E as much as possible
5 we had lost the game we are all very bored now
6 the operation involves put a small tube into your heart