_________ to become a superstar, Lady Gaga did all shecould to create various shocking images to impress people.

oday, poverty is still a big problemin the United States, ______ more than 10 percent of the whole population

With trees and grass_____ about 35％ of the urban area，the city ofHefei has taken on a new look.

Mrs. Chen devotes herself to teaching. We love and respect her very much.

Don’t _______ the pater. It can be used again.