用所给词组的适当形式填空。

work out  change into   too good  fix up  stay healthy

They were made ___________ the problem in a short time.
Can you _______ this machine?
Eating a balanced diet is a great way to___________ .
So far, the small village _____________ a big city.
--Mum, I’m offered 8,000 yuan a month of the job.
---Really? It just sounds __________ to be true.