Answer:
A. Securely
B. "...no way in the world can you get rid of the nasty hard thing..."
Explanation:
A. The word fast in this context means securely. For example, if I held my money fast it would mean that I clutched it tightly to make sure nothing could happen to it.
B. This quotation shows that the harness was held securely on the horse, since he couldn't get it off.
Answer:
well in real life probably the students but I don't understand if this a question for a actual question or just asking.
Unfortunately I can't see the picture or passage this question is about. Can you try typing it in the comments?
Language is to speaking that sounds about right