—Ididn'tseeyouatthebeginningofthepartylastnight.—I 国语站 题库 3.14W 大中小设置文字大小 问题详情: —I didn't see you at the beginning of the party last night.—I _____ on my biology report at that time. A. worked B. work . C. was working D. am working【回答】C知识点:过去进行时及其被动式题型:选择题 TAG标签:#