(Click here for a vocabulary for this exercise.)
(Klicken Sie hier für einen Schlüssel.)

Fill in all the gaps, then press "Check" to check your answers.
(ALT+0228 = ä, ALT+0246 = ö, ALT+0252 = ü, ALT+0196=Ä, ALT+0214 = Ö, ALT+0220=Ü, ALT+0223=ß)