[Q]: How does the sentence end?

Neil has been to the hospital for injury many times while Michael only once, you can say 

[A]: Neil is careless.


[Q]: How does the sentence end?

Nick is better at ping pong than Jason because 

[A]: Nick is a champion at the game.


[Q]: How does the sentence end?

James gave away his computer but kept his laptop because the 

[A]:
computer was worth less.