You should report any incident, _____ serious or minor it is.

The photo was taken ______ stood the famous Bird’s Nest in Beijing during the Olympics.

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

--- Do you know the reason _________ pilots turn off the plane’s lights before taking off?
---The practice is for the passengers to adjust to the dark _________ an emergency.

The process of curing a disease is like a war ___ different soldiers fight against an enemy.

In a sports team each player has a clear role，and there are few occasions         members are confused or uncertain of their roles．

That so-called football fan doesn’t even know the main difference between the two football teams, _____ surprises all of the people at present.

Can you give me a case ______ this phrase can be used?

Recently I bought an ancient Chinese vase, ______ was very reasonable.

Carol said the work would be done by October, _________ personally I doubt very much.