题目内容
( ) 4. [2015 • 资阳]Bob took a photo of his girlfriend while she at the party.
A. dances B. was dancing C. has danced D. is dancing
4. B句意:当鲍勃的女朋友在晚会上跳舞的时候,鲍勃给她照了张相。在while引导的时间状语从句中,主句用一般过去时,从句也要用相应的过去时态。根据句意可知要用过去进行时。
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