. The library’s study room is full of students for the exam.A. busily preparedB. busy

发布时间：2020-08-16 18:01:02

. The library’s study room is full of students      for the exam.
A. busily prepared  
B. busy preparing  
C. busily prepare  
D. are busily preparing

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解析：考查形容词作状语。短语：忙于做某事be busy doing, busy preparing在题中做后置定语。句意：图书馆的学习教室挤满了为考试忙着准备的学生。故选B。
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