The process of curing a disease is like a war ___ different soldiers fight against an enemy.
- How long has the bookshop been in business? -____1982.
He looked quite healthy ____ he was ____ the age of seventy.
Does John know any other foreign languages ____ French?
The old man died ____ cold ____ a cold night.
The trees ____ front of the house are ____ the charge of Old Li.