题目内容
1．-Have you got the airplane tickets？-No，because it's May Day，all the tickets to Beijing______out．（ ）
| A． | have been sold | B． | had been sold | C． | bad sold | D． | were being sold |
分析 --你买到飞机票了吗？
--没有．因为是"五一"，所有去北京的票都已经卖完了．
解答 答案：A
首先根据语境并结合选项的意思"所有去北京的票都已经卖完了"，强调动作对现在造成的影响即"没有买到机票"，判断用现在完成时，主语all the tickets是动作sell的承受者，所以用被动语态，现在完成时被动语态的构成是：主语+have/has been+动词的过去分词，主语是复数名词，助动词用have，sell的过去分词是sold，故选A．
点评 本题考查时态和语态的辨析．每个时态都有标志词，熟记这些标志词是做题的关键．在没有时间状语的情况下可以根据语境来对时态做出判断．
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