Unit4,Then and now,B. Lets talk,swimming,cycling,badminton,football,ping-pong,ice-skate,basketball,kung fu,变化，转变,change,football basketball swimming ping-pong badminton ice-skate cycling kung fu,Do you like _,I liked it three years ago,How about now,Now I like _. Its very interesting,ping-pong,playing basketball,A: B: A: B,What are these ,old photos,Guess：(猜一猜) Who is he,Thats funny,Guess：(猜一猜) Who is he,Thats funny,Twenty years ago, he_ (play) the piano at home,played,
