To our great_____,he can speak good Chinese. He is very kind

To our great_____,he can speak good Chinese. He is very kind.He is always w___ to help others.
1.Could you give me some good _____on how to learn maths well.
2.Rose is ready to help people in trouble .提问in trouble.
3.They had some problems with their homework. They had some problems _____ _____ their homework.