6.With his attention on the shops along the roadside.he knocked an old man down while riding to school. A concentrating B.concentrated C.to concentrate D.concentrates 答案 B 解析 考查词组concentrate one’s attention on sth.把注意力集中在--上.concentrate与attention之间存在着动宾关系.故选B项. 查看更多

 

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With his attention________on the shops along the roadside,he knocked an old man down while riding to school.

A  concentrating     B.concentrated     C.to concentrate      D.concentrates

答案 B

解析 考查词组,故选B项。

 

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With his attention______on the shops along the roadside,he knocked an old man down while riding to school.


  1. A.
    concentrating
  2. B.
    concentrated
  3. C.
    to concentrate
  4. D.
    concentrates

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