单项选择题
A．He picked up some apples in his yard. B．He cut some branches off the apple tree. C．He quarreled with his neighbor over the fence. D．He cleaned up all the garbage in the woman s yard.
A．Dr. Smith’s waiting room isn’t tidy., B．Dr. Smith enjoys reading magazines. C．Dr. Smith has left a good impression on her. D．Dr. Smith may not be a good choice.
A．the calls for reform will help promote business ethics B．businessmen with poor motives will gain the upper hand C．business ethics courses should be taught in all business schools D．reform in business management contributes to economic growth