Problem: How does the sentence end?

The meticulous carpenter used the sandpaper to sand the wood until the 
Answer: sandpaper was worn out.

Problem: How does the sentence end?

Julie could not put her new dress into her old purse, the 
Answer: dress was too large.

Problem: How does the sentence end?

I made a new feeder for the backyard that had a small opening for the food. They couldn't get through it because the 
Answer: opening was too small.

Problem: How does the sentence end?

Megan was helping Sarah build a dark room because 
Answer:
Sarah had no experience working in construction.