题目内容
20.She is listening to music he is doing his homework.( )| A. | after | B. | before | C. | while |
分析 当他在做作业的时候她在听音乐.
解答 答案:C;
根据设空处前后的句子都用了过去进行时,可以推断本句的句意是"当他在做作业的时候她在听音乐.",表示主句的动作和从句的动作同时发生且持续进行,用while引导时间状语从句,while"当…时",通常与延续性动词连用,表示两个动作同步发生,故选C
点评 本题主要考查连词的用法,做此类题目一定要弄清句意,明白上下文之间的关系,才能更好地判断出所要用的连词.
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