----Look at the boy running on the playground. Is it David? ---- It ______ be him. I saw him go to the teachers’ office just now.
His name is Tony Hand. His ______ name is Hand.
Bill and Tom are my friends. They are ______
This is a girl. ______ name is Lily.
— ______ ? —It’s Monday.
Look at the big room. It’s ______ .