那只老虎正在河边喝水。
The ___tiger is drinking water by the river.
他像老虎一样勇猛地击败了对手。
He defeated his opponent as fiercely as a ___tiger.
剑齿虎是一种生活在冰河时期的古老动物。
The saber-toothed ___tiger was an ancient animal that lived during the Ice Age.