Unit 4 We love animalsLets singbirdfrogsquirrelWhats this?Its a cat.Its fat.胖胖Look at the cat.It is fat.It isWhats this?Its a pig.Its big.大大Look at the pig.It is big.It isLook at the dog.Its on the log.原木原木The log is long.The log is long.The leg is long.Look at the duck.Its in the truck.Play a game玩游戏玩游戏Can you make a bird?Make a catMake a duckMake a pigMake a bearMake a dog