Before the final examination, many students have shown ______of tension. Some have trouble in sleeping while others have lost their appetite.

Although it is not our normal      to give credit in our shop,this time I think we should consider the matter more closely.

Jade is the highest award in Chinese culture and medals are the most important prize in Olympics，so medals with jade is the perfect ______ to present the Olympics in Beijing.

Joan has been missing for a couple of days and there is growing _____for her safety.

The _____ of news that a flood is coming is a staff working in the weather bureau.