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
closing unneeded operation和grounded planes并列做伴随状语修饰eliminating jet services
啊,不是三个并列动作吗?!
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