After the Yushu earthquake, to make sure that rescue work could be carried out as smoothly as possible, Premier Wen Jiabao his visit to Brunei.
—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.