Fill in the blanks using the following expressions.
4. adept at
2. exemplar
1. persist
5. purge
3. revitalized

1. If the symptoms ___, consult your doctor.
2. I’ve never regarded myself as an ___ of virtue.
3. The local economy has been ___.
4. He became ___ getting even the shyest students to talk.
5. His first act as leader was to ___ the party of extremists.

The answer key
1. persist
2. exemplar
3. revitalized
4. adept at
5. purge