Under the environment of fierce competition, the only way John could imagine _______ stress was to get tougher by making greater efforts.

——How wise of you to come round，but why？ ——______ that all is right.

You can hardly imagine the trouble the woman had______her children.

When I came in, I saw her sitting in the sofa ______ in thought.  

A small plane crashed into a hillside five miles east of the city, _________ all the four people on board.

In the lecture, little Tom kept silent all the time unless _________ to express his opinion.

___________ the man who lost the purse, Mike had to stay there longer.

___  an important decision more on emotion than on reason, you will regret it sooner or later.

If ____unsolved, the problem of food safety may lead to more serious results.

 His first book ______ next month is based on a true story of his family. 

 ______ from heart disease for years, Andy has to take some medicine with her wherever she goes. 

 The Internet has become increasingly popular, ______ us to see as well as to hear all kinds of programmes. 

With a lot of difficult problems _    , the manager felt like a cat on hot bricks.

—Who is the man ______ by a group of students there?—A professor _____ research on physics.

Exciting as its special effects are ________, there is too much violence in the film.

 Experts say ________ to sunlight for too much time will do harm to one’s skin.

____, I had to buy a new one.

 I’m very happy ___ a chance ___ your school.

 _____ on a clear day, far from the city crowds, the mountains gave him a sense of peace.

In the reading room, we found her____ at a desk, with her attention____ on a book.