Problem: Continue the following story.

Carrie's accent is very heavy, whereas Mary doesn't have one. 
Here's how I want to continue it: Carrie was born in India.

Problem: Continue the following story.

The jar and the ball were bought together. The 
Here's how I want to continue it: ball was put into the jar, and the lid was closed.

Problem: Continue the following story.

Samantha asked Sarah if she had made the appointment with the doctor because 
Here's how I want to continue it:
Samantha had forgotten.