There was a(n)________silence in the live interview，when no one knew what to say to the audience.

Every man has his faults. We should, therefore, learn to be ______ of others.

Mr. Black is very happy because the clothes made in his factory have never been       .

Many people hope to have a _____ job, especially during the financial crisis.

 The workers insist that the company should take         measures to improve their working condition.