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    All the farmers are busy the autumn harvest. They look very happy. A. on B. with C. in D. for 答案:B 本题考的是形容词busy和介词的使用搭配.be busy(in) 后接动词的-ing形式.be busy with 后接名词或代词.意为忙于做某事. 【查看更多】

     

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    All the farmers are busy ________ the autumn harvest. They look very happy.

    A. on　　　　　　 B. with　　　　　　 C. in　　　　　　 D. for

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