The pilot,(飛行員) whether ______ or on purpose, made the plane do a sharp turn.(急轉彎)

He could see the tall chimneys of the factory ______.

He wants to see changes in the company and I am sure he will, ______.
　 

Women’s earnings are well below men’s, ______ educational difference that are decreasing between the two sexes.

In the worst-affected regions, many areas remain in chaos(混亂), with roads inaccessible, public transportation at a total stop and power and telecommunication networks completely ______.

________ having fun with friends, travelling around the world will be another way to relax and learn.

For a long time, he hesitated whether he should tell us ____ what had happened.

Many developing countries are unwilling to pursue their economic development ______ destroying the environment despite there being several financial crises.

___ the help of computers , there are no ___ problems.

  Wenchuan Earthquake Museum has been built_____the people who died in 5·12 earthquake last year.