Unit 5 Sports Day Part B,Lets learn,be good at 擅长,be proud of 自豪,fall down 跌落,He is running 100 meters,He is running very fast,He is very good at it,be good at,She is swimming,She is swimming very fast,She is very good at it,He is running 100 meters,He is running very fast,We are very proud of him,be proud of,She is swimming,She is swimming very fast,We are very proud of her,fall down,He is doing high jump,He is falling down,He is carrying books,Some books are falling down,Lets do,Yaoming is _
