Где вставить артикль? ! 1. can you pay me back money i lent you? 2. i know he is doctor . 3. ben nevis is highest mountain in united kingdom. 4. some people still believe world is flat. 5. in some countries murder is punishable by death.

1). Can you pay me back the money l lent you?
2). I know he is a Doctor
3) Ben Nevis is the highest mountain in United Kingdom.
4). Some people still believe the world is flat.
5). In some countries a murder is punishable by death.