Problem: How does the sentence end?

Since Leslie slept well last night and Benjamin had no sleep, 
OPTIONS:
- Leslie was quite refreshed in the morning.
- Benjamin was quite refreshed in the morning.
Answer: Leslie was quite refreshed in the morning.
sentence: The light did not make it to the other side of the room through the curtain because the  OPTIONS:
- curtain was dim.
- light was dim.
complete: light was dim.
Maria ordered pancakes while Natalie ordered a hamburger, and 
OPTIONS:
- Maria put ketchup and mustard on their meal.
- Natalie put ketchup and mustard on their meal.
Natalie put ketchup and mustard on their meal.
Input: Continue writing.

Laura was a less experienced writer than Betty, so 
OPTIONS:
- Laura was chosen to write the blog for the company.
- Betty was chosen to write the blog for the company.

Continued: Betty was chosen to write the blog for the company.
Story needs to be completed:
The girl thought the shell wasn't as beautiful as the rock because the 
OPTIONS:
- shell was dull.
- rock was dull.

My choice:
shell was dull.
Problem: How does the sentence end?

Lawrence asked Randy when the new jazz nightclub was expected to open downtown because 
OPTIONS:
- Lawrence didn't know.
- Randy didn't know.
Answer:
Lawrence didn't know.