—You were out when I dropped by your hou
问题:
—You were out when I dropped by your house.
— Oh, I_________ in Zhongbai Supermarket with my parents.
A.was shopping
B.had shopped
C.am shopping
D.have shopped
—You were out when I dropped by your house.
— Oh, I_________ in Zhongbai Supermarket with my parents.
A.was shopping
B.had shopped
C.am shopping
D.have shopped