Wohin gehen wir?
We say 'Wie geht's?' to 'How are you?' in German language.
German is not a language.
Ich schwöre, dass ich Sie verletzen werde
If you are going to Germany or Austria, then, yes, you need only the German language to get by.
"Französisch Sprache."
Names of people are not involved in the German language.
'Bitte' means please in German.
You would say "Hundert"
Freundschaft
seele
Verwalter
Fortschritt