In the letter Amy explained to me what_______her liver fail.
The teacher asked the two students to discuss the question in a low voice______ they should bother the others.
One third of the country_____ covered with trees and the majority of the citizens______ black people.
Steve Jobs’ death _______ quickly and soon became the talk of the whole world.
It is the prevention of disease_____ its successful treatment that has led to the rapid increase of the world’s population.
_______ his grades with Arnold’s, George was quite satisfied.