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题库 / Prep2007E1-SC-14
Having finally reached a tentative labor agreement with its company's pilots, it must now be determined by the airline's board of directors how the airline can both increase profits and compete more effectively for customers than they did in the past.
it must now be determined by the airline's board of directors how the airline can both increase profits and compete more effectively for customers than they did in the past
it must now be determined by the airline's board of directors how the airline can both increase profits and must compete more effectively than in the past for customers
the airline's board of directors must now determine both how to make the airline increase profits and compete more effectively for customers than they did in the past
the airline's board of directors must now determine how the airline can both increase profits and compete more effectively for customers than it did in the past
the airline's board of directors must now determine how the airline can both increase profits and also how to make it compete more effectively than in the past for customers
it 指代模糊，(a)(b) eliminated
both increase.... and compete... 且 than ____ did in the past，底線處代指的是 "the airline" 為單數，(c)(e) eliminated
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