2. 外语
  3. We booked rooms at the hotel ______ we should find no vacancies on our arrival.

We booked rooms at the hotel ______ we should find no vacancies on our arrival.

admin2013-06-03  62
问题 We booked rooms at the hotel ______ we should find no vacancies on our arrival.
选项 A、whenever
B、if
C、since
D、lest
答案D
解析 根据后一分句中谓语动词是should+动词原形可判断所填的关联词后需接虚拟语气，而在四个选项中只有D lest有此用法，故为答案。
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