Matching Pairs Zero conditionalOnline version If people eat too much by Fidel López Castillo 1 If people eat too much, 2 If you cross an international date line, 3 You get water 4 If babies are hungry, 5 People die 6 If you touch a fire, 7 Snakes bite 8 If my wife has a cold, I usually catch it. they cry. they get fat. you get burned. if you mix hydrogen and oxygen. the time changes. if they don't eat. if they are scared.