Shall I __________ (介绍) you to my classmates?
The __________ (侦探)spent the whole night waiting for the thief.
He was ___________ (解雇)by his boss for no reason .
As a student, you have to b__________ work and play, or you might fail your exams.
Young ladies are running after a slim f__________ ,aren’t they?
We r____________ to inform you that our library will be closed.
The school can’t t_________ such bad behavior.