Seki-kun starts playing Go on his desk. Yokoi-san tries to ignore this since she doesn't know the rules, but this yet again turns into something rather unexpected.
This will be on the test!
Das ist wichtig für die Prüfung!
¡Esto saldrá en el examen!
Il y aura un contrôle 
là-dessus !
Queste cose ci saranno nel test!
Vai cair na prova!