Problem: Continue the following story.

Mailing a letter was easy for Kevin but not Brett because 
Here's how I want to continue it: Kevin had a post office near his house.

Problem: Continue the following story.

I used the soap instead of body wash when I took a shower since the 
Here's how I want to continue it: body wash was missing.

Problem: Continue the following story.

Volunteering at the animal shelter was a good opportunity for Aaron but not Robert because 
Here's how I want to continue it:
Robert was scared of dogs.