—What did you do when you saw the girl     in the flood? —I did what I could     .

Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?

The group of research workers are said to ________ to the dangerous nuclear radiation while they carried out their rescue task.

_____ a successful fish scientist, you need to have a curious mind and be able to work on your own.

________ in the company for a month, I begin to like ______ here, the boss, the colleagues, the new office.

With the pressure_________, she was off work for weeks because she couldn’t stand it any more.

________ us calmly together, our captain made an announcement__________ we must save essential supplies before the day broke.

The beautiful stone _________ as much as 2.5 tons was placed in Mr. White’s garden last week.

To make believe that there was still someone in the house, the housewife went downstairs, ______ the lights ______ in the living room.

_______ 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.

This afternoon Mr Smith will give us a report on nuclear energy , which is well worth _____.