Problem: Continue the following story.

The delivery driver took the water bottles out of the truck and put them on the shelf in the store until the 
Here's how I want to continue it: truck was empty.

Problem: Continue the following story.

Carrie helped Natalie plan all of the company events for the conference because 
Here's how I want to continue it: Carrie was an assistant.

Problem: Continue the following story.

The delivery driver took the water bottles out of the truck and put them on the shelf in the store until the 
Here's how I want to continue it:
truck was empty.