题目内容
1.When I got to the booking office,they ________ all the tickets.( )| A. | were selling | B. | had sold | C. | would sell | D. | have sold |
分析 翻译:当我到售票处,他们已经售完了所有的票.
解答 答案:B.这里有when引导的时间状语从句,我到售票处是过去时,他们卖掉所有的票是在我到售票处之前,应该是过去的过去,所以用过去完成时,过去完成时的构成:主语+had+动词的过去分词,故选B.
点评 本题考查的是过去完成时,表示过去某一动作之前已经发生或完成的动作.
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