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The past two years a sharp rise in oil price, which adds to the burden of auto t

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The past two years a sharp rise in oil price, which adds to the burden of auto t

The past two years ______a sharp rise in oil price,which adds to the burden of auto transportation industry.

A. has witnessed     B. witnessed              C.is witnessing        D. witnesses

 

试题答案

【答案】

A

【解析】

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