Respuesta :
The second sentence and the fourth sentence have an error the second one would have to say weren't so busy instead of were not so busy. And the last would have to say in the beginning You would be happier,(and so on.....
Answer:
4TH Answer
Explanation:
The 4th one is the Answer is the 4th one the second one is correct, "You are Happier if you gave up" instead of "you would be happier".