2. 职称英语
  3. By the time Bob arrives in Beijing, we have already arrived here for two days.A、

By the time Bob arrives in Beijing, we have already arrived here for two days.A、

游客2025-01-19  21
问题 By the time Bob arrives in Beijing, we have already arrived here for two days.
选项 A、we have been staying here for two days
B、it has been for two days we have stayed here
C、it is already two days before we have arrived here
D、we will have stayed here for two days
答案 D
解析 鲍勃到达北京时，我们已经在这里待了两天了。arrive是短暂性动词，for two days表示一段时间，应使用延续性动词stay。By the time引导时间状语从句，表示“到……时候为止”，根据语境，主句的主语应该是we，可排除B项和C项。“鲍勃到达北京时”表示目前鲍勃还未达到北京，是一种将来的时间状态，因此主句应用将来时，故答案为D项。
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