Between the two periods of classes is a break, _______ we can have a short rest.
Voices were _____ as the argument between the two motorists became more bad-tempered.
John says that his present job does not provide him with enough _____ for his organizing ability.
The meeting was _____ when the chairman fell ill.
The members of the club wouldn't run a _____ in entrusting(委托) the organization to an unreliable person.
John was very upset because he was _____ by the police with breaking the law.