_______ and guilty, Maggie put the book on the shelf she had secretly placed in her schoolbag.

Mr. Black left for Beijing this morning, his secretary ______ him there this Friday.

Whether you believe it or not, it is           that causes your illness.

Today, people are paying more and more attention to their health,         books on keeping healthy extremely hot.

It is reported that the water in the river is becoming worse and worse, the river around the city ____ with waste from factories．

With the decision ______, the members present at the meeting were dismissed(解散). 

Many residents are supposed to ____ the motorway. It is not a wise decision.

Laura was happy ____ by so many kind-hearted friends when she had a serious operation in hospital.

So far, more than 1300 hotels in Europe, Africa, Middle East region have committed to _________ in the event, with many more ________ to join the effort.

_____ to our dream universities, we should devote all our time to gtting well preprations for the 2011 National College Entrance Examinations.