Seki-kun suddenly starts playing with a remote control car on his desk... and seems to actually be studying something. Yokoi-kun sees this but... S-Seki-kun, just what are you studying?!
Hey, someone hasn't written 
their answer on the board.
Hey, da fehlt noch eine Antwort.
Falta uno por resolver el ejercicio.
Falta uno por resolver el ejercicio.
Tiens, qui n’a pas répondu
à la première question ?
Ehi, qualcuno non ha ancora
 scritto la sua risposta.
Ei, falta a resposta de uma certa pessoa.