Who's this?
police officer
Who's this?
teacher
Who's this?
waiter
Who's this?
doctor
what's this ??
work
Who's this?
singer
Who's this?
actor
Who's this?
musician
what's this?
sing
what's this
play the piano
Who's this?
dancer
Who's this?
chef
what's this?
cook
what's this?
dance
Does he cook?
Yes, he does.
Does she play the piano?
No, she doesn't.
