The tomato and apples are from the bruised fruit rack at the market - only a few minor blemishes. The strawberries give a wonderfully sweet aftertaste. Try to keep fruits to 20-30% of the content, too much higher and you may be on a fruit sugar buzz then crash.
When juicing tomato, always go for the ripe to over-ripe ones, they are a bit sweeter. Wash the celery really well. Lots of critters and dirt like to loiter inside the stalks. I don’t juice the celery leaves, but I suppose you can if you wish.