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