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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这里说的是costs,需要用less 和more 来形容。costs 是复数。总上两点,在AC中选择。 Rose是动词,因此是A
这里说的是costs,需要用less 和more 来形容。costs 是复数。总上两点,在AC中选择。
Rose是动词,因此是A
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