Problem: How does the sentence end?

The portfolio of my friend was better than my profile, because the
OPTIONS:
- portfolio was missing things.
- profile was missing things.
Answer: profile was missing things.

Problem: How does the sentence end?

He had honed his muscles at the gym and bought new workout clothes but they didn't fit, because the
OPTIONS:
- muscles were too small.
- clothes were too small.
Answer: clothes were too small.

Problem: How does the sentence end?

Tanya was envious of her best friend, Laura's, skin tone and brightness because
OPTIONS:
- Tanya had horrible skin.
- Laura had horrible skin.
Answer: Tanya had horrible skin.

Problem: How does the sentence end?

Ian has never read a blog, and Kyle reads them every day, so
OPTIONS:
- Ian is less familiar with technology.
- Kyle is less familiar with technology.
Answer:
Ian is less familiar with technology.