[Q]: How does the sentence end?

Justin makes friends easily but Kenneth doesn't. 
OPTIONS:
- Justin has a lot of friends in their life.
- Kenneth has a lot of friends in their life.

[A]: Justin has a lot of friends in their life.
QUES: Continue writing.

Mary used the calculator to find the solution instead of the abacus, because the 

OPTIONS:
- calculator was slower for her.
- abacus was slower for her.
+++++++++
ANS: abacus was slower for her.
Problem: How does the sentence end?

Samantha looks a lot younger than Mary does although 
OPTIONS:
- Samantha uses a cream that fights wrinkles and age lines.
- Mary uses a cream that fights wrinkles and age lines.
Answer: Mary uses a cream that fights wrinkles and age lines.
sentence: Nelson was nice and Kyle was mean, which explains why  OPTIONS:
- Nelson had all the contrary friends.
- Kyle had all the contrary friends.
complete: Kyle had all the contrary friends.
When Hazel was shopping for a baby shower gift, she decided on a monitor instead of a mobile because the 
OPTIONS:
- monitor was more needed.
- mobile was more needed.
monitor was more needed.
Problem: Continue the following story.

When Megan decided to make Christine a cheesecake, they were secretive because 
OPTIONS:
- Megan liked to be surprised by others.
- Christine liked to be surprised by others.
Here's how I want to continue it:
Christine liked to be surprised by others.