The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.
Since the new director took office, we have worked __ _hours, -that is to say, we work more freely.
__ _ is well-known to all is that the 2010 Shanghai World Expo has been brought to an end.
Those successful deaf dancers think that dancing is an activity sight matters more than hearing.
the secret of nature, they young scientist has little time for entertainment.
Her excellent performance in the competition proved that she was a winner.