• 2022-06-08
    2.Not for a moment ________ the truth ofyour explanation about the event.
    A: we have doubted
    B: did we doubt
    C: we had doubted
    D: doubted we
  • B

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      ––What a journey! We’ve finally arrived![br][/br] ––_____ an out-of-date train schedule, we would not have missed the train. A: Had we not used B: Did we use C: If we didn’t use D: If we had used

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      The truth ________ the moon orbits the sun is doubted by some scientists.

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      Nowhere but around this mountain area ______ such kind of custom in the past twenty years. A: we found B: we had found C: did we find D: have we found

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      We have to do another experiment today, ____? A: have we B: don’t we C: did we D: shouldn’t we

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      Whatwould have happened if our grandparents’ generation had not acted as they did? A: We would have had a great oil crisis. B: We would have fallen into chaos. C: We would have had more alternative energy. D: 空