[Q]: How does the sentence end?

For my homework I have to interview either my mom or my dad. I chose the 
OPTIONS:
- dad because she has a great job.
- mom because she has a great job.

[A]: mom because she has a great job.
QUES: Continue writing.

Logan asked Brian to help him with the algebra for 

OPTIONS:
- Logan was barely passing the class.
- Brian was barely passing the class.
+++++++++
ANS: Logan was barely passing the class.
Problem: How does the sentence end?

It was easier to break down the plastic than the glass in this case for recycling since the 
OPTIONS:
- plastic was rather brittle.
- glass was rather brittle.
Answer: plastic was rather brittle.
sentence: When repainting a room, Jack had to choose between gray and yellow paint, but the  OPTIONS:
- gray was too drab.
- yellow was too drab.
complete: gray was too drab.
I prefer sending emails much more than I like sending letters, because the 
OPTIONS:
- emails are inconvenient.
- letters are inconvenient.
letters are inconvenient.
Problem: Continue the following story.

Developing marketing campaigns came easy for Emily but not Carrie because 
OPTIONS:
- Emily had insufficient experience.
- Carrie had insufficient experience.
Here's how I want to continue it:
Carrie had insufficient experience.