What is she doing?
stretching
What is he doing?
sweating
What is she using?
a treadmill
What are they doing?
cycling
What is he using?
a rowing machine
What's this?
a bench
What is he doing?
lifting weights/dumbbells
What is he doing?
pull-ups
What is he doing?
sit-ups
What is she using?
an exercise ball
What is she doing?
push-ups
What are they doing?
resting
Who is the man?
a personal trainer
What are these?
weights
What is he lifting?
a dumbbell
What is she using?
an exercise bike
What is she lifting?
a barbell
What's this?
a jump rope
What's this?
a cross trainer
What are these?
kettle bells