Story needs to be completed:
Randy constructed an elaborate sound proof room for Brian, because

My choice:
Randy was a sound engineer.

Story needs to be completed:
The bitter coffee was drunk happily by Logan but not William because

My choice:
Logan got no sleep the night before.

Story needs to be completed:
Jennifer called Erin for some help with an electrical problem for

My choice:
Erin had done a lot of electrical work before.

Story needs to be completed:
The toothpicks failed to clean his teeth, but they did a great job on his tonsils, the

My choice:
tonsils were receptive to the toothpick's effort.