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After the new technique was introduced, the factory produced _________ bikes in 2010 as the year before.

Because every day we have _______mail to receive ,we may not be able to reply to your letter.

There is still________ who said  he was ________ to reach the top of the mountain besides these two people.

________of the people on the Net ________China's economy is among the strongest in the world.

At present  ________ of the experiments  ________done in labs after the new building has been finished.

________of the land in that district________covered with trees and grass.

In________，people in that village were very poor.

The new road is __________ of the old one.

Some of the doctors are paid almost ______ as the nurses.

Smoking is so harmful to personal health that it kills ________ people each year than    automobile accidents.