One-third of the country___covered with trees and the majority of the citizens___black people
Do you believe that there’s a ______ between smoking and heart disease?
The police ______ the murderer everywhere when he suddenly appeared in the theater.
_______ of the land in the district _____ covered with trees and grass.
He is the only one of the students who ______ a winner of scholarship for three years.
—I’d like to be on my own for a while. Do you mind? —_______. Go ahead.