求英语高手帮找这篇作文的错误!Have you ever seen the film "Hero"?I think yo

求英语高手帮找这篇作文的错误!
Have you ever seen the film "Hero"?I think you have.You may like the people in the film.But I don't think they are the real heroes.In my heart,the Chinese astronaut,Yang Liwei is the real hero.He was the first to get to the moon in our country.And the trip to the moon was successfully made by him,though there were quite a few difficulties.Also,he brought us the courage as well as the knowledge.As an astronaut,Yang woks very hard in order to finish the special trip perfectly.So we should learn from him to build our country into a stronger one.We Chinese people are proud of having such a wonderful space hero