Hi，I'm Mike.Before,I like dog.I like cat now.I couldn't play badminton well before.Now I play very well.I like bl-ue before.I like yellow now.Before,I didn't wear glasses.Now,I wear glasses.I used to study before I went to bed. Now I study in the morning.I couldn't play the erhu before.I'm doing very well now.I couldn't swim before.Now I like swi-mming very much.I couldn't ride a bike before.Now I go cycling every day.I have changed a lot.And you?