Which sentence contains an interjection?


1- Aha, I've discovered the secret door.

2- Carla, would you please move over?

3- Both egrets and herons nest here.

4- How can we best solve the problem?

Verified Answer :

An interjection is a word used to express a particular emotion or sentiment. Here, the only sentence that contains an interjection is 1 - Aha, I've discovered the secret door. Aha is the interjection.