Problem: How does the sentence end?

Ryan was having kidney infection problems but Ian was fine. 
OPTIONS:
- Ryan didn't need to drink a lot of cranberry juice.
- Ian didn't need to drink a lot of cranberry juice.
Answer: Ian didn't need to drink a lot of cranberry juice.

Problem: How does the sentence end?

She let the student retake his test to get a better grade because the 
OPTIONS:
- grade was too hard.
- test was too hard.
Answer: test was too hard.

Problem: How does the sentence end?

Megan asked Jessica to sing a song at karaoke, because 
OPTIONS:
- Megan loved to sing in public.
- Jessica loved to sing in public.
Answer: Jessica loved to sing in public.

Problem: How does the sentence end?

Lindsey asked Rachel if anyone in her family had ever had cancer but 
OPTIONS:
- Lindsey didn't know.
- Rachel didn't know.
Answer:
Rachel didn't know.