Problem: Continue the following story.

Kelly auditioned for a role in the play as the lead or the understudy.  She expected to be the 
Here's how I want to continue it: understudy because she was inexperienced.

Problem: Continue the following story.

The apple would rot in the kitchen but stayed fresh in the basement, as the 
Here's how I want to continue it: kitchen failed to preserve it.

Problem: Continue the following story.

Elena was skinnier than Lindsey because 
Here's how I want to continue it:
Lindsey didn't like to eat a lot of cabbage and vegetables.