Question

What is the tone of Macduff's words in the last line of this reading passage?

Answer 1

I know these aren't the exact words, but they're close:
Macduff: "Turn, scoundrel! Yield!"
So in conclusion, Macduff's words have a threatening tone in them (He is about to kill Macbeth).
Hope this helps!!!:)

Answer 2

(aplus) doubt about the suitability of macbeth for the kingship