Question

【题目】The pop singer was busy ________ for his concert. He didn’t have enough time to take a rest.

A.to prepareB.preparingC.prepareD.prepared

Answer 1

【答案】B

【解析】

句意：这位流行歌手正忙着准备他的音乐会。他没有足够的时间休息。

考查非谓语动词。prepare准备，preparing是动名词形式，to prepare是不定式结构，prepared是过去式。be busy doing忙于做某事，固定结构；根据句子结构，可知选B。