试题与答案

We need to have factual knowledge ( ) ou

题型:单项选择题

题目:

We need to have factual knowledge ( ) our marketing strategy.

A.on which to base

B.which to base upon

C.to which base

D.and based on

答案:

参考答案:A

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题型:解答题

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题型:单项选择题

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