I was giving a talk to a large group of
题型:选择题
问题:
I was giving a talk to a large group of people, the same talk I _____ half a dozen other groups before.[ ]
A. was giving
B. had given
C. am giving
D. have given
I was giving a talk to a large group of people, the same talk I _____ half a dozen other groups before.[ ]
A. was giving
B. had given
C. am giving
D. have given