The Southern States wanted to ______ the Union, so the American Civil War ______.
The fellow I _______ a worker was really a general manager.
He was always the last to leave in order to clean up the workshop and _______ the tools.
To keep healthy,Professor Johnson _______ cycling as a regular form of exercise after he retired.
The heavy storm damaged a lot of fruit trees.The fruit prices have _______ immediately.
When you boil the milk you must _______ it carefully.