Fill in the blank with the most appropriate preposition:
He was waiting ______ the train.
- Ain
- Bat
- Cfor
- Dwith
Solution & Step-by-step Explanation
In English grammar, the verb "wait" is transitively followed by the preposition "for" when someone is expecting an event, person, or object to arrive or happen. Thus, "waiting for the train" is the correct usage.