His letter was so confusing that I could hardly make any ______ of it.

--How are your business goes wrong?
---But I have done all that is    by law.

The experiment __      to be          .

When I came back to my hometown again, I found it changed so much that I could hardly _______it。

The statistics reveal that there has been a______increase in consumer prices in the latest months in China.

To protect the environment, the local government has put up a lot of ______ to warn the citizens not to litter the ground.

The green-hand cook        the soup by putting in too much salt accidentally．

With high technology introduced, the average output of the factory is        increasing．

He tried to join the army but was _____ because of poor health, which made him depressed.

Long term of hard work and lack of sleep finally ______ her health.