With his attention on his book, he didn’t notice someone entering his room.
A. concentrating
B. concentrated
C. to concentrate
D. concentrates
With his attention on his book, he didn’t notice someone entering his room.A. concentrat
答案:2 悬赏:40 手机版
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
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- 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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