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题库 / Prep2007E1-SC-5
The airline company, following through on recent warnings that it might start reducing service, announced that it was eliminating jet service to nine cities, closing some unneeded operations, and it grounded twenty-two planes.
closing some unneeded operations, and it grounded
closing some unneeded operations, and grounding
was closing some unneeded operations, while it grounded
it closed some unneeded operations and grounded
it was closing some unneeded operations, and grounding
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ground v
(a)~ (sth) (in/on sth) (of a ship) touch the sea bottom; cause (a ship) to do this （指船）触海底, 搁浅; 使（船）触海底﹑ 搁浅: Our ship grounded in shallow water/on a sandbank. 我们的船在浅水中[在沙滩上]搁浅.
(b) [Tn esp passive 尤用於被动语态] require or force (an aircraft) to stay on the ground 要求或迫使（飞行器）停留在地面; 停飞: All aircraft at London Airport were grounded by fog today. 因今天有雾, 伦敦机场的所有飞机都被迫停飞.
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