Answer:
Huck reacts by not being able to speak or breathe because he is so scared. I think he is starting to realize that life isn't forever and life can be quickly ended by other people, so you have to be careful with what kind of situations you put yourself in and who you surround yourself with.
The word you'd want to use is focuses.
Answer:
tone express author writing style,feeling and personality.
It depends on what you mean by "stuck in a conversation".
If I were in a conversation I didn't want to be in, I would give the situation some time, but if it kept dragging on I would make up some reason to leave.
If I were in a debate and I was losing, I would probably try and find a better way to explain my point. :)
