The Roman Empire _____ for several centuries.
239. Since the plan for the project has been carefully worked out, what we have to do is to put it into _____.
238. It is beyond my _______ to decide whether we should begin our meeting or not.
237. The campus violence in America is a hot potato. The underlined part probably means _____.
236. Marine was very interested in _____ because her father is a famous _____ figure.
235. The thief was caught by a ______ in plain clothes.