题目内容
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
B
解析:
票已售完发生在去售票处之前,故本题要用过去完成时。
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题目内容
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
B
票已售完发生在去售票处之前,故本题要用过去完成时。