He was _______(talk) in the university
talking
He was _______(dance) in the gym
dancing
They were _______(sing) in a concert
singing
It was _______(relax) in the beach
relaxing
You were_______(study) in the school
studying
She was _______(smile) happy
smiling
It was _______(read) in the library
reading
You were _______(run) in the park
running
We were _______(chat) in class
chatting
I was _______(buy) in the supermarket
buying
I was _______(sleep) at home.
sleeping
she was _______(work) in the hospital
working