. ----______are they staying in Beijing?----For three days.
The girl is Mary Smith, and her last name is ______ .
My uncle is an actor. His job is at a _________.
There _______ a pen on the desk. It is a black pen.
—Mum, my teacher, Mr. Wang. — Nice to meet you, Mr. Wang.
—John, what’s this _______ English? — It’s a computer.