They’ve road blocks around the city to help control the traffic.
A. set down B. set aside
C. set about D. set up
cars on our roads rose dramatically last year.
A. A great deal of B. An amount of
C. The number of D. A number of
He returned to his country after the war was (结束).
A. in the end B. at an end
C. to the end D. till the end
The of the killer is still unknown, which is why the citizens here are rather worried.
A. identity B. quality
C. equality D. facility
The of this illness in the area is of concern to all doctors.
A. fluency B. frequency
C. determination D. guidance
The audience into laughter when the clown took a fall.
A. burst B. brush
C. breathe D. bend
