A:can l help you? B:yes,please. A:what can l do for you? B:l want a new eraser. A:what color do you want? B:blue. A:ok,here you are. B:how much arethey? A:0.5dollers. B:here you are. B:and l want have a bag. A:what color do you what? B:l like bag is green. so is bag color green and how much is this? A:ls 20 dollers. B:here you are. A:tank you.
