He knows so much about Russia that he's universally acknowledged as a(n) _____ on Russian affairs.
7. The university has launched a research center to develop new ways of ________ bacteria which have become resistant to drug treatments.
6. Computer technology will ________ a revolution in business administration.
5. All their attempts to ________ the child from the burning building were in vain. 6.
4. She’s fainted. Throw some water on her face and she’ll ________.
3. Many a player who had been highly thought of has ________ from the tennis scene.