Thousands of rockets ______ with chemicals were fired into the sky to create the beautiful scenes in the Asian Games .

The Great Wall, _____ to be the longest wall in the world, runs across China like a huge dragon．

The way you thought of _______ the experiment is very practical.

People today make choices of their diets______ what they believe.

They spent two months in the jungle, __________ on small animals and fruit.

At the routine office meeting, the headmaster insisted that the problems _________ paid special attention to.

With many major economic problems________ to be solved, there is no point predicting the growth rate of this year now.

She hesitated at the gate of the canteen, _________ whether to enter or not.

He had been so absorbed____ watching the car passing by that he didn’t notice his friends ____.

The international agreement, _______ encourage children not to smoke and help people to kick the habit, was signed on 27 February. 

Mr. Crossett was made __________ his experiment because of his poor health and old age.

Always remember that your own decision        is more important than anything else.

Mary,          for her healthy lifestyle, was pictured on the front cover of Life Style magazine.

       many failures, I have the courage to meet all challenges.

Many buildings in the city need repairing, but the one     first is the library.

The news shocked the public,    to great concern  about students’safey at school.

________ with the other students, the girl has better listening and speaking ability.

Many students, ________ some pocket money and social experience, work during their holidays.

He likes books ________ science because he wonders what and why our world is.

 I still remember      to the Famen Temple and what I saw there.