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As the mid- examination is coming , the students are busy it. A. preparing B. pr

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As the mid- examination is coming , the students are busy it. A. preparing B. pr

 As the mid- examination is coming , the studentsare busy ____ it.

A. preparing         B.prepare for         C.prepare          D. prepareing for

 

试题答案

【答案】

B

【解析】略