Mr Black is an American doctor. He is now at China. He works in a hospital in Sh-anghai . He like Chinese medicine (中医). He likes work in China. He works hard in the day. He often learns Chinese on the evening.Now he can speak any Chinese. His wife  is an teacher. She teaches English in a school.He works hard too. She works from Monday to  Friday. She teaches three class every day. The Blacks likeChinese people. They think the Chinese people is very friendly(友好的). At weekends they like to going to the park.