Some people say the need for cars ______ by the year 2004.

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问题 Some people say the need for cars ______ by the year 2004.

选项 A、will have doubled
B、had doubled
C、will be doubling
D、be doubled

答案B

解析 句意:一些人说,截至2004年(人们)对汽车的需求已增长两倍。考查时态用法。与“by the year+过去时间”连用的句子要用过去完成时态,再如:She had left by the time I arrived.
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本试题收录于: 英语题库普高专升本分类
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