问题补充:
As the final examination is coming , the students are busy it.
Apreparing
Bpreparing for
C. prepare
D. prepare for
答案:
A. preparing
(答案→)B. preparing for
C. prepare
D. prepare for
解析:考察busy和prepare的用法。Be busy doing,忙着做……,根据题意句子中指的是为……准备,故选B,由于期末考试要到了,学生们都在忙着准备考试。