[Q]: How does the sentence end?

Derrick studied how to crochet but Hunter did not. 
OPTIONS:
- Derrick made some cute little booties for their dog.
- Hunter made some cute little booties for their dog.

[A]: Derrick made some cute little booties for their dog.
QUES: Continue writing.

Jessica was nervous about wearing the dress because it exposed her collar bone, but Rachel told her it looked great. 

OPTIONS:
- Jessica was acting helpful.
- Rachel was acting helpful.
+++++++++
ANS: Rachel was acting helpful.
Problem: How does the sentence end?

Mornings were never easy for Christine but they were for Monica. 
OPTIONS:
- Christine made sure to have a job that started later in the day.
- Monica made sure to have a job that started later in the day.
Answer: Christine made sure to have a job that started later in the day.
sentence: James decided to be going to school through the bus and not the train so as to be arriving early. The  OPTIONS:
- train is slow.
- bus is slow.
complete: train is slow.
It was easy to shoot the tree, but tough to shoot the target, because the 
OPTIONS:
- tree was far away.
- target was far away.
target was far away.
Problem: Continue the following story.

At school, Robert is always going to the principal's office, while Christopher never does, so 
OPTIONS:
- Robert is a good student.
- Christopher is a good student.
Here's how I want to continue it:
Christopher is a good student.