I studied English for a _____ of six years.
period
Is there someone at the shop who can ____ me, please?
assist
I'm trying to ____ that Google document, but I can't.
access
You will need to do ___ therapy after your knee surgery.
physical
She felt ______ because she couldn’t solve the math problem.
frustrated
The ______ of death is difficult to explain to young children.
concept
It's only noon and I have done so many things already. It's been a very ___ morning.
productive
Some students don't _____ when teachers ask them something.
respond
The body has many ____ organs, like the heart and the lungs.
internal
I thought we would never win a game, but after a lot of training we ____ did.
eventually