Problem: How does the sentence end?

Christopher went to ask Eric for advice about savings bonds because 
Answer: Christopher forgot how they worked.

Problem: How does the sentence end?

The jet lacked global reach but the helicopter could go anywhere, as the 
Answer: jet had limited range.

Problem: How does the sentence end?

Hunter was able to communicate much better than Aaron because 
Answer: Hunter spoke the same language as him.

Problem: How does the sentence end?

The only reason why Kevin would wear socks with sandals, and Nelson never would, is because 
Answer:
Kevin has horrid fashion sense.