Fill in the blanks using the following expressions.
1. deeply rooted in
2. an expert in
3. cleansed of her sins
4. emotionally detached from
5. revitalization of

1. She is _____ the history of the United States.
2. The city has seen _____ its economy.
3. She tries to remain _____ her patients.
4. Racism is still _____ our society.
5. She felt _____ after confession.

The answer key
1. an expert in
2. revitalization of
3. emotionally detached from
4. deeply rooted in
5. cleansed of her sins