Iwastryingtopickitup 国语站 题库 1.53W 大中小设置文字大小 问题详情:I was trying to pick it up ________ it bit me again.A.while B.as C.when D.if【回答】C知识点:动词时态题型:选择题 TAG标签:Iwastryingtopickitup #