__________ in thought，he almost ran into the car in front of him．
| A．Losing | B．Having lost | C．Lost | D．To |
One third of the country_____ covered with trees and the majority of the citizens______ black people.
| A．is; are | B．is; is | C．are; are | D．are; is |
Steve Jobs’ death _______ quickly and soon became the talk of the whole world.
| A．expressed | B．spread | C．performed | D．whispered |
It is the prevention of disease_____ its successful treatment that has led to the rapid increase of the world’s population.
| A．more than | B．rather than | C．other than | D．less than |
_______ his grades with Arnold’s, George was quite satisfied.
| A．Compared | B．To compare | C．Comparing | D．Compare |
More and more rich people have promised to ______ their wealth after death to help the poor and the disabled.
| A．give away | B．give up | C．give out | D．give off |