Here are the matches for the words:
The garden was neglected and eventually all the flowers died.
- not looked after
The new park was worthwhile, as people used it often.
- good value for money
The artists turned an old church into a thriving arts centre.
- busy, successful
Charities want the government to make better use of abandoned buildings.
- empty
Energy-efficient measures reduce the cost of keeping your house warm.
- saving
After the gallery was renovated, more people visited it.
- cleaned and repainted
The centre was unappealing and put customers off shopping there.
- not attractive
It was pointless arguing with him, as he’d already made his decision.
- no use