回答：是occupy，意思是“占据；使用，占用(空间、面积、时间等)；使用(房屋、建筑)；居住；侵占；占领”。
例句
①occupy+名词
Problems at work continued to occupy his mind for some time.
工作上的问题继续在他的脑海中萦绕了一段时间。
②occupy+动名词短语
He's fully occupied looking after three small children.
照顾三个小孩把他忙得不可开交。
③被动语态
Only half of the rooms are occupied at the moment.
目前只有半数的房间有人居住。
