work on their

work on their on their way to work work on their farm 此时work on 怎翻译? All the students must (c ) their attention on their work. 谁有文献：Work Values and Their Effect on Work Behavior and Work All the students must c __their attention on their work They spend two hours on their work(保持意思不变) It's important for him to work on their farm They go to work on their bike同义句急~ on their people should -- their work 翻译：The manager impressed the important of their work on them