课件15张PPT。Unit4 How many stars can you see?94+5=?107+3=?39-6=?1248+=?riversunsnakeR for river, S for snake. Near the river, You see a snake.RrFfRrEeDdSsRrSsQqPpLlRrSsRrOoSsWhat are these? - They are …. How many … can you see? I can see …. What color are they? - They are ….zoo
