Саставте 10 предложений с предлогами at on! ?

The letter is on the table
They never arrive on time
London is on the thames
The ship is on the bottom of the sea
The picture is on the wall

They are at school
I get up at 8 o'clock every day
My mother arrived at festival yesterday
The street is at the beginning of the street
The study is at the end of the corridor

Что бы они были взаимно связаны?