21-22高二上·全国·假期作业
1 . The manager was happy to learn that four-fifths of the tickets ________ (book). (所给词的适当形式填空)
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2 . 假定那天的航班都订完了, 我们还可以在哪天离开呢?(suppose)
_________________________________ on that day, on which day could we leave?
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