Matching Pairs IdiomsOnline version Match the idiom with the correct picture. by Karla Izquierdo 1 A chip off the old block 2 As red as a beetroot 3 All that glitters is not gold 4 Costs an arm and a leg 5 Apple of my eye 6 To hear something straight from the horse's mouth 7 As mad as a hatter 8 Once in a blue moon 9 Barking up the wrong tree 10 A pig with lipstick, is still a pig