Poll is an example of a severely disabled person who has become______at many survival skills.【单选题】

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Poll is an example of a severely disabled person who has become______at many survival skills.

A. efficient

B. proficient

C. persistent

D. transient

参考答案:

B

【句意】波尔是个重残者掌握多种生存技能的典范。

英语考试