––What a journey! We’ve finally arrived!
––_____ an out-of-date train schedule, we would not have missed the train.


  1. A.
    Had we not used
  2. B.
    Did we use
  3. C.
    If we didn’t use
  4. D.
    If we had used
A
試題分析：通過分析句子，可知其中包含一個虛擬條件句。根據(jù)主句“we would not have missed the train”可看出這是對過去情況的虛擬，所以條件句用過去完成時。又因為虛擬條件句中有had, should, were時，可以將if去掉，然后把had, should, were提到主語前面，故選A。
考點：虛擬條件句的考查
點評：注意區(qū)分真實條件句和虛擬條件句，真是條件句實現(xiàn)的可能性非常大，而虛擬條件句往往指不能實現(xiàn)的或純屬假想的情況。
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B．the beginning of modern bungee jumping
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