Problem: How does the sentence end?

Christopher gave lessons to Michael , as 
Answer: Michael had so little piano playing knowledge and experience.

Problem: How does the sentence end?

In preparation for the hiking adventure the couple ended up buying boots while leaving out the tents since the 
Answer: boots were required.

Problem: How does the sentence end?

I had to write an essay for the history class. But I ran out of room on the paper because the 
Answer: paper was too small.

Problem: How does the sentence end?

The security Lawrence craved was the kind Adam had, as 
Answer:
Adam 's life was very stable.