[Q]: How does the sentence end?

Nelson wants to write a song for his girlfriend and asks for Hunter's advice, because 

[A]: Nelson needs help.


[Q]: How does the sentence end?

The ceiling in my house was better than the roof on Johns because the 

[A]: ceiling was perfect.


[Q]: How does the sentence end?

Sarah likes their hair straight and Jessica likes their hair curly, so 

[A]:
Sarah bought a hair straightener at the store.