In 1936, computers were made as a “universal machine” to solve difficult mathematical problems.
A．to work B．work C．working D．to be working
we grow older, we grow wiser.
A．When B．While C．Unless D．As
They went out to sea the missing treasure.
A．search for B．search C．in search of D．to search
Many passengers got seriously in the accident.
A．injuring B．injured C．to injure D．being injured
The dictionary Mike is gone.
A．belongs to B．is belonged to
C．is belonging to D．belonging to
He is such a person that he will never any difficulties.
A．determined, give in to B．determining, give in to
C．determined, give up D．determining, give up
