Mary went to the box office at lunch tim
题型:选择题
问题:
Mary went to the box office at lunch time, but all the tickets ____ out. [ ]
A. would sell
B. had sold
C. have sold
D. was selling
Mary went to the box office at lunch time, but all the tickets ____ out. [ ]
A. would sell
B. had sold
C. have sold
D. was selling