Problem: How does the sentence end?

James could not comprehend the topics in the book within the time give to him because the 
OPTIONS:
- time is difficult.
- topic is difficult.
Answer: topic is difficult.

Problem: How does the sentence end?

The woman donated the book but kept the bible because the 
OPTIONS:
- book was unimportant to her.
- bible was unimportant to her.
Answer: book was unimportant to her.

Problem: How does the sentence end?

Lauren was surprised to hear that meat was healthier to eat than yogurt because the 
OPTIONS:
- yogurt contains a higher percentage of fat.
- meat contains a higher percentage of fat.
Answer: yogurt contains a higher percentage of fat.

Problem: How does the sentence end?

Erin sat very straight, so Jessica tried to imitate him, because 
OPTIONS:
- Erin had great posture.
- Jessica had great posture.
Answer:
Erin had great posture.