Unit 81BI can swim(AB)football 足球足球足球足球踢踢footballplay chess 棋棋play chess 下棋下棋swim 游泳游泳skate 溜冰溜冰C.swimD.play footballB.skate A.play chessCan you swim?Yes,I can.Can you swim?Can you swim?Yes,I can.Yes,I can.I can run.Yes,I can.Can you run?I can jump.Yes,I can.Can you jump?Yes,I can.Can you sing?I can sing.Yes,I can.Can you dance?I can dance.Can you?Yes,I can.Can you?Yes,I can.Goodbye!Unit 81BI can swim(CD)R rrun_S sstar_T ttaxiA starDaddy,Daddy,Can you see?A star,a star,Above the tree!