Problem: Emily does not like to socialize with many people as opposed to Kayla because

My choice: Emily is an introvert.

Problem: The test was a challenge for the student, though the essay was not. This is because the

My choice: test was on a difficult topic.

Problem: The schedule of Elena is much more packed than Christine's.

My choice: Christine is a very laid back person.

Problem: Emily was very adept at wrapping presents but Rebecca was not.

My choice:
Emily got many compliments on their gifts.