_______ with the present situation, the local government could not find effective measures to reduce the risk of coal mine accidents.
To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.
For some students, the computer serves only _____ a tool that is used to play games.
The little boy was the only one who _____ the earth- -quake in his village, and the government sent him to a city school after that.
The parents are _____ their son who has been away from home for days.
—Ron, I congratulate you on your success. —Thanks, but the honor _____ to all the people here.