What gave you the __________ of using a male actor for the part?

  .Last summer I had ______ in the south of France .

At the conference, people of different _______ were given a chance to exchange theirs with each other. 

 As is well known to us all, in China pigeons stand for peace. However, in India the wheel in its national flag is also a _______of peace.

It’s necessary to have some____ knowledge for this job.