Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
Again and again the doctor_______ the crying baby girl, but he couldn’t find out what was wrong with her.
—What do you think of the film So Young directed by Zhao Wei?—Wonderful. I think it’s _____than the other films about youth in recent years.
—Kelly, who’s the girl _____ glasses in the photo?—It’s me. I used to wear glasses and have long hair.
Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.
Think it over, _____ you’ll work out the math problem.