_______ boys in my class can ski but _______ of them can do as well as Jim does.
_Is that Mary? _Yes. She’s nice and I like______very much.
This isn’t ______ purse. I left _______ at home.
We should plant more trees on sides of the street.
–Is this book yours ? – No it’s his , is in bag .
—Is this pen, Tim? —No. It’s Mary’s.