I thought we'd be late for the concert,we ended up getting there ahead of time.
—What’s the matter with you, Sandy? —I’m _____ a bad cold. I think I am dying.
Have you _____ your things, Bob? The train is leaving at 2:30 this afternoon, so we don’t have too much time.
Try to _____ the children down. They’re too excited.
---What do you think of my article, professor? ---The former part is well written but _____ is just so so.
--Look !The telephone is broken .Someone damaged it ______purpose. --That may be right. But perhaps it was broken ________ accident.