The conference______ a full week by the time it ends.

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问题 The conference______ a full week by the time it ends.

选项 A、must have lasted
B、will have lasted
C、would last
D、has lasted

答案D

解析 句意:“到结束时候为止,会议整整持续了一周”。本题考查时态。句子的状语为by the time it ends,说明谓语所表示的动作要延续到将来某一时刻为止。因此要用将来完成时。
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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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