There’s a(n) ___ of peace and calm in the countryside, completely different from that in the city. 

The manager told us that very little ____ was made of the waste material in the past.

The  poor man made a_____after doing business forthree years.

As a young singer, she tries a completely new         to the classic song, only to earn a lot of criticism.

If you play with electricity，you may get an electric________.