Do you know ________ girl over there— Yes. She is ________ exchange student from America.

Professor Williams keeps telling his students that the future _____ to the well-educated[ ]

If you try your best to study, I think it quite _____that you will catch up with other students

He is the only one ofthe students who _____ a winner of scholarship for three years.

He is _____ unusual writer. He can write _____ useful book.