Although dragon doesn’t exist, we still take it as a _______ of our nation. 

I was going to take a photo of the world-famous painting when I noticed a__________ saying “No Photographing”.

The engineers have rejected the employers' proposals to end the strike and the other workers have come out in _____.

Achieving a high degree of proficiency in English as a foreign language is not a mysterious _____  without scientific basis.

Shelly had prepared carefully for her English examination so that she could be sure of passing it on her first _________.