Scientists said that the winter of 2011 was _____ cold, and in fact it was much colder than predicted.

Professor White has written some short stories, but he is ______known for his plays.(NMET  1998)

—Mr．Wang was caught in a snowstorm yesterday．—I have known that, and ______ his new car was completely destroyed．

Many people have found their reading skill_____ improved after some training.

The following years are _______to see a rise in production.