[题目]It is useful to be able to predict the extent which a price change will affect supply and demand.A．from B．withC．to D．for 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】It is useful to be able to predict the extent _______which a price change will affect supply and demand.

A．from

B．with

C．to

D．for

【答案】C

【解析】to which源于to...extent的短语搭配。

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