—Ididn'tseeyouatthebeginningofthepartylastnight.—I
來源:國語幫 3.23W
問題詳情:
—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
知識點:過去進行時及其被動式
題型:選擇題