The train is running fifty miles ().

单项选择题Computers can do () work in a short time, but a man can not do () by himself.

单项选择题The facilities of the older hospital are () the new hospital.

单项选择题The policemen put the criminal ().

单项选择题Our corporation handles exclusively the import and export business of light industrial ( ).

单项选择题Tom decided to ( ) a special study