-- _____is that used for?---_____ the floor.
--- Mary had a traffic accident and has been sent to the hospital. Did you tell her boss about it? --- Yes, but I _____ her husband first.
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
A ______ person always tries to finish the job, no matter how hard it is.
---Look! The telephone is broken. Someone damaged it ________ purpose.---That may be right. But perhaps it was broken _________ accident.
— Oh! Must you? Stay a bit longer, please. — , but I've got an early start tomorrow.