Problem: How does the sentence end?

Monica was at home sick with a cold, so Felicia bought some oranges to help prevent 
Answer: Felicia catching the infection.

Problem: How does the sentence end?

I wanted to travel further for the audition to the play instead of for the appointment, so the 
Answer: appointment was closer.

Problem: How does the sentence end?

The vehicle would not fit in a single lane on the highway because the 
Answer: lane was too narrow.

Problem: How does the sentence end?

Christopher did better in the class than Kenneth did although 
Answer:
Kenneth was learning much more there.