(2012·全国卷Ⅱ)I’m going to Europe on vacation together with John if I ________ find the money.

lyI bought an ancient Chinese knife,__________was reasonable.

It was on the last day ______ a pressconference was held by some committee members.

The old man lives ____ but he doesn’t feel ____.

____ to everyone the importance and value of these historic sites, the government has strengthened regulations to protect them.