2. 职称英语
  3. We had been in Athens for not more than two days that it became obvious that we

We had been in Athens for not more than two days that it became obvious that we

游客2025-01-30  26
问题 We had been in Athens for not more than two days that it became obvious that we needed a guide.
选项 A、until
B、as
C、before
D、since
答案 C
解析    (1)画线部分错误分析。
   主句中用过去完成时，其从句的谓语动词用过去时became，说明主句的动作是在从句所表示的动作之前发生的，因此连接词应表示出时间“在……之前”。
   (2)选项分析。
   选项A until表示“直到……时，到……为止”，选项B as引导时间状语从句表示“在一件事情发生的同时另一件事情发生了”，选项D since表示“自从”，本题中从句为时间状语从句，从句的动作发生在主句动作之后，因此只有选项C before符合。
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