Archive for December 26th, 2019

Thursday Morning Riddle

Thursday, December 26th, 2019

I attach to a tractor to truck down the road;
I’m a portable classroom; blank film to unload;
I’m an ad for a movie; attached meta-code;
One who’s lagging behind; or a mobile abode.

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.