What's this? It's letter(字母)P. What color is it? It's green. What's this and what color is it? It's letter E. It's brown. What's this letter? It's letter N. It's red. P-E-N. Is it" pen"? Yes, it is. I have a blue pen in my pencil case(铅笔盒). My pencil case is orange. This is my book. It's my Chinese book. It's in my bag. My bag is black. Look! The bag is on the chair. The chair is yellow. It's my chair. It's nice. I like it.