At the party ,I was very glad to see some famous________and_

At the party ,I was very glad to see some famous________and_____.(activity)
Don't _____ like a child,you're 16 now.(activity)
Our montitor is very _____in class.(activity)
Our teachers want all of us to be _____in all the classroom ____.(act)
I've got a computer in my _______.(study)