Problem: How does the sentence end?

He chose to fill out the form with a pencil rather than a pen because the 
Answer: pencil was convenient.

Problem: How does the sentence end?

Brian thought beef tongue tacos were tasty but Matthew though they were gross. 
Answer: Brian ordered tacos de lenga for lunch.

Problem: How does the sentence end?

Craig fell in one of the holes that Joseph dug and didn't warn them about and 
Answer: Joseph apologized.

Problem: How does the sentence end?

The muscles that Samantha had were way smaller than Jessica since 
Answer:
Jessica always went to the gym.