题目内容
【题目】All his attention ________ on the movie, so he didn’t even notice the boss enter the room.
A. has been fixed B. fixing
C. was fixed D. fixed
【答案】C
【解析】考查时态和语态。句意:他所有的注意力都集中在电影上,所以甚至没有注意到老板进了房间。主语attention和动词fix是被动关系,与后句didn’t时态一致,也用过去时。故选C。
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