Question

what had once happened to Tommy teacher?​

Answer 1

Answer:

Tommy's teacher developed some snag and its History section was blanked out. So it was taken away for a month for repair. ... There a human teacher used to give same lesson to all boys and girls of same age group.

Answer 2

: Required Answer

$\longrightarrow$ Tommy’s teacher had to be taken away altogether for a month as the history sector had blanked out completely.