—Ididn'tseeyouatthebeginningofthepartylastnight.—I
来源:语文精选馆 3.32W
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