You can share files with someone if you have a connection to a what? - freeway - radio - wires - computer network - electrical circuit  The best answer is
computer network

The man began asking me questions about my sloppy habits in front of others, what did I feel? - misunderstood - embarassment - people will understand - children will learn - satisfaction  The best answer is
embarassment

What can exercising cause? - lift weights - shortness of breath - collapse - error - run  The best answer is
shortness of breath