Problem: Mary had more money left over than Lindsey because 
OPTIONS:
- Mary had followed their budget more closely.
- Lindsey had followed their budget more closely.

My choice: Mary had followed their budget more closely.
[Q]: How does the sentence end?

Leslie explained to Christopher how difficult his upcoming race was going to be.  
OPTIONS:
- Leslie was determined.
- Christopher was determined.

[A]: Leslie was determined.
QUES: Continue writing.

Last month Elena went on vacation but not Christine because 

OPTIONS:
- Elena had to take time off.
- Christine had to take time off.
+++++++++
ANS: Elena had to take time off.
Problem: How does the sentence end?

Having a relationship is hard work but I prefer that I receive letters rather than gifts since the 
OPTIONS:
- letters are homemade.
- gifts are homemade.
Answer: letters are homemade.
sentence: Emily had a much higher credit score than Maria because  OPTIONS:
- Emily always paid her bills on time.
- Maria always paid her bills on time.
complete: Emily always paid her bills on time.
Input: Continue writing.

The book doesn't fit into the oak bookcase shelf because the 
OPTIONS:
- book is too short.
- shelf is too short.

Continued:
shelf is too short.