B2 intensive prepositions

I didn't set out early enough and got stuck ON / IN / AT a traffic jam ON / IN / AT the M25 ring road.

The delivery driver is ON / AT / IN the back door.

My sister is waiting for us AT / IN / ON the bus stop.

The last time I saw that talented young actor was on the stage ON / IN / AT the Royal Shakespeare Theatre.

I saw several friends and acquaintances ON / IN / AT the festival.

He damaged his car quite badly because he didn't see the vehicle parked ON / IN / AT the left until it was too late.

Try not to let your interest IN / ON / AT video games interfere with your schoolwork.

Toby is amazing - he's fluent IN / ON / AT six languages!

There are lots of fortified castles AT / IN / ON the border between Spain and Portugal.

Please don't talk. I need to concentrate ON / IN / AT this science video.

ON / IN / AT the whole, it was a really good trip.

A lot of children are failing to achieve at school because they are spending too much time ON / AT / IN their phones.