- The children, last night, the ghost story, listened to.
- Last night the children listened to the ghost story.
- The ghost story the children last night listened to.
- Listened to the ghost story the children last night.
The correct sentence structure in English is Subject-Time-Object-Verb. The subject (the children) should be followed by the time (last night), the object (the ghost story), and finally, the verb (listened to). The correct option (a) follows this structure.