(2007·全国Ⅱ)

Speaking of all the songs he has written, I think this is probably his ________ one.

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(2005·浙江)

The old tower must be saved, ________ the cost.

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Many people think that ________ knowledge of English is ________ important.

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Our ancestors had to struggle ________ their lives bad weather and wild animals.

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His son was put in ________ prison. He went to ________ prison to see him yesterday.

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Without facts, we cannot form a worthwhile opinion, for we need to have factual knowledge ________ our thinking.

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The owners of many coal mines must ________ measures which ________ improve working conditions.

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(2007·福建)

Although ________ my opinion, the old professor didn't come up with his own.

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(2006·陕西)

This is a very interesting book. I'll buy it, ________.

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A．how much may it cost

B．no matter how it may cost

C．however much it may cost

D．how may it cost

(2005·天津)

You should understand the traffic rule by now. You've had it ________ often enough.

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