BblnarjarouleM I cnncke Complete the gap with the correct particle. Alice slipped on the ice, fell square and broke her leg. aHo v !

The correct particle to complete the sentence is "down."<br /><br />So, the complete sentence would be: "Alice slipped on the ice, fell down and broke her leg."<br /><br />The word "down" is used here to indicate the direction in which Alice fell after slipping on the ice.