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题库 / Prep2007E1-SC-24
Employment costs rose 2.8 percent in the 12 months that ended in September, slightly less than they did in the year that ended in the previous quarter.
less than they did
less than it did
less than they were
lower than
lower than they were
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The meaning should be clear: The costs rose by 2.8% this past year; in the previous year, they rose by more than 2.8%. So, this year, they rose less than they did last year.
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