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1. Everyone is busy _____ the examination in the classroom.
A. with B. for C. on D. under
答案:A
解析: 注意幾個(gè)固定搭配: be busy (in) doing sth 忙于做…; be busy with sth 忙于…; busy oneself (in) doing sth 忙于做……; busy oneself with sth 忙于……。
相關(guān)內(nèi)容:
(責(zé)任編輯:中大編輯)