There was _____ between the police and the public in catching the criminal.
A.cooperation B.company C.combination D.association
Those who worked whole-heartedly without _____ should be praised.
A.concern B.conscience C.carelessness D.conceal
After a heavy snow, all the ground looked like being covered with a white ________.
A.bottom B.balloon C.blank D.blanket
The garden looks beautiful when roses are _______.
A.boom B.in boom C.bloom D.in bloom
The terrorist escaped across the ______ of the two countries, which made things even worse.
A.board B.broad C.border D.boast
They _____ their failure on their coach.
A.blamed B.accused C.respond D.criticized
