Marry was holidaying with her family in a wildlife park_____

Marry was holidaying with her family in a wildlife park______she was bitten on the leg by a lion.
A. while B. when C. before D. after

答案B 考查be doing----when 句型,表示“正在做某事------突然” .when在本句中为连词,相当于and just then,and just at that time,意为“就在这时”.引导一个突然出现的动作.句意：玛丽正和她的家人在野生动物园度假时,她被狮子咬伤了腿.查看原帖

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