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With his attention on his book, he didn’t notice someone entering his room.A. concentrat

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解决时间 2021-12-18 23:08
  • 提问者网友:疯子也有疯子的情调
  • 2021-12-18 11:41
With his attention on his book, he didn’t notice someone entering his room.
A. concentrating
B. concentrated
C. to concentrate
D. concentrates
最佳答案
  • 五星知识达人网友:老鼠爱大米
  • 2021-12-18 12:33
A. concentrating(答案→)B. concentratedC. to concentrateD. concentrates解析:考查非谓语动词。with+名词+doing/done构成复合结构,attention与concentrate是动宾关系,即“集中注意力”,应该用过去分词,排除A;with后不能用动词原形或三单,排除D;句意:由于注意力在他的书上,他没有注意到有人进入他的房间。根据句意可知,是已经发生的事情,动词不定式表将来,排除C。故选B。
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  • 1楼网友:神的生死簿
  • 2021-12-18 13:31
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