Soviet military defends territory from advancing German forces near Voronezh, USSR, during World War II

The video tutorial consists of a brief introduction to an ongoing activity followed by an engagement with the audience, where the speaker addresses everyone present.

What do you think the speaker has been doing?

What might the context be for the statement 'I've been doing that'?

What emotions or feelings could be associated with the statements made in the text?

Who do you think is being referred to by 'Everybody'?

How does the phrase 'Everybody' contribute to the overall meaning of the text?