问题 选择题

 Jane was watering flowers in the garden _________ a beautiful bird caught her attention.

A.since

B.while

C.when

D.as

答案

C              

             

题目分析:考查连词辨析。A自从,因为B 然而B当。。时候D 因为。句意 简正在花园浇花时,这时一只漂亮的鸟吸引她的注意力。Be doing when …正在做某事,这时。。。,故选C项。          

考点 : 考查连词辨析

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