Xiao Ming had a dream last night. In the dream, he volunteered to serve the Guangzhou Asian Games. His job is helping foreign visitors with the problems they meet. He found a foreigner who lost his way to his hotel. The foreigner is named Jack. Xiaoming talked with him and took him back to his hotel. Jack was very thankful for Xiaoming's help.He also said that Xiaoming was really good at speaking English. Xiaoming felt happy after hearing that. He think it is really useful to learn English well because he is able to help foreigners and talk with them.?