Question

what had once happened to Tommy's teacher​

Answer 1

Answer:

Once, the history sector of Tommy’s teacher had once blanked out completely. So, the county inspector had taken it away almost for a month. Margie was thinking that he would take her mechanical teacher too with himself to repair it.

Explanation:

Answer 2

Tommy's teacher was taken away nearly for a month because the history sector has been blanked out completely. So the mechanical teacher was taken away for repair.

HOPE THIS HELPS !!!