You can see books. books are my father’s.
—Do you know man in blue? —Yes, he is a professor of Jiangsu University.
He is going to study hard at math. He wants to be ________ engineer.
I can play ______guitar,but I can ’t play _______soccer.
Don’t talk to Mary like that, she is only____ eleven-year-old girl.
My cousin went abroad at_____ age of eighteen.