听短文，根据所听内容和思维导图补全短文。

My name is John. During the , I was sent to  as an exchange student. At first, everything seemed new and strange to me. I stayed with a host family in  . The family were very friendly and they taught me Japanese and now I have made great progress in that. During the two months, I have learnt a lot about Japanese  . Meanwhile, I taught them how to speak a little and our culture. They showed great interest in China and decided to visit China next summer holiday.