【正文】
My b is yellow. Mine is small. Your watch is big. Yours is new. His wallet is old. His is over there. Her teapot is here. Hers is blue. my mine your yours his his her hers My b is yellow. Hers is blue. Your watch is big. Mine is small. His wallet is old. Yours is new. Her teapot is here. His is over there. Let’s read: A: Is this (you) b? B: No, it’s not (I ) b . ( I )is at home.