Advertising is different from other forms of communication in that the advertiser pays for the message       .

The room ______ 10 metres across is large enough for a single man to live in．

There is nothing more I can try          you to stay, so I wish you good luck.

—What’s the matter with John? —He’s had his leg ______ trying to save a boy from a fire.

The police have finally ______ the mystery (疑案).

Imagine ______ at the top of the hill, and what wonderful view you will see.

She was lucky enough ______ the earthquake.

Last year the number of death increased by 2%-5% ______ the year before last.

_________ to 100℃, water will boil. 

Whenever she saw the young man, she would feel her heart __________. 

The teacher told his students the sun_____ in the east. 

_______ honest, my father never tells lies but ______honest, I don’t think it a good way to live. 

The explanation of our teacher will make the reading easy ______.

.All the students were listening carefully, with their eyes _____on the teacher.

Don’t forget to examine the test paper you have just finished_____the possible mistakes in it .

His words were very ______. Everyone got _____ at the bright future described in his speech.

If you go on thin ice ,you risk ______through.

Try to spend your time just on the things you find ______.

The workers had been on strike for several weeks. At last they had their pay _______.

_______ your letter, I am pleased to tell you that you are to receive the answer by the end of this week.