【Studentsarebusy___theexamsattheendofthetermA.prepaingforB.toprepareforC.preparingtoD.toprepareto】
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题目内容：
Students are busy___the exams at the end of the term
A.prepaing for B.to prepare for C.preparing to D.to prepare to
优质解答
A首先 be busy doing固定搭配,for表示目的,为考试做准备
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