Explanation:
telephone is correct
the answer is windows because it has a /z/ sound at the end
The answer is I was unsure how to react.
Hope this helped :)
Answer: Know what you are talking about, know when it is the right time for you to talk, have materials/ notes on hand, be confident (but not overly confident), and stay calm
Explanation:
I would be helpful to add a context. That way I'm able to properly answer.