— Look! The old man ______ a big box into the house.— Let’s go and help him.
—____ are you? —I’m twelve.
—We need a new leader for our Helping Hands Club,but I don’t know_______. —Why not Mary? She is always willing to help others.
It’s nice _____ you to ______ so much time showing me around your school.
The art exhibition is really worth _______,and you’re sure to learn lot from it.
He often says, “I ____ one million smiles in my heart _____ one billion dollars in my pocket.”