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

When I arrived in this country, I had to start learning the language from _____.

---- Can you show me how to use Ipad 2? ---- Why don’t you just read the _____?

It’s foolish to go to the ___ of taking music lessons if you never practise.

Desipt the fact that there was a big ______ over the meeting, it seemed that a good many of the invited guests would still attend it.