用所给词的适当形式填空,补全短文。
Hi, I'm Jim. I have a new schoolbag. It's blue and white. It's on the desk. I have three (storybook), two (toy), four (key), some (orange) and an orange (pencil box) in it. In my pencil box, I have a (ruler), six (crayon), four (pen) and an (eraser). Oh, where are my (ball)? They're under my desk.