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标题: 请教：og93的单复数问题 [打印本页]

作者: giantbaby 时间: 2005-6-9 22:33
标题: 请教：og93的单复数问题

93. It is well known in the supermarket industry that how items are placed on shelves and the frequency of inventory turnovers can be crucial to profits.

(A) the frequency of inventory turnovers can be

(B) the frequency of inventory turnovers is often

(C) the frequency with which the inventory turns over is often

(D) how frequently is the inventory turned over are often

(E) how frequently the inventory turns over can be

解释中 In B and C is often does not agree with the plural compound subject.

frequency（频率）应该agree with "is"啊？？？

作者: rakesun 时间: 2005-6-9 23:10
how items are placed on shelves and the frequency of inventory turnovers 这俩东西做主语，所以要用复数动词

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