The government is doing whatever they can to ____ the bird flu from spreading. 

With electricity _______ because of the road repairs, the whole building was completely dark.

 —I've read another book this week.—Well，maybe ________ is not how much you read but what you read that counts.

The girl didn’t help you last time. _____ you don’t want to talk to her.

The animal makes a strange sound, slightly ______ the bark of a dog.