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.

admin2015-06-27  47
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 根据从句中谓语动词是“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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