听短文,选择合适的单词填入横线。
Look at these two children.The boy is taller than the girl.They are talking about the animals.The elephant are ________.They are ________ and ________ than the horses.The monkeys are playing.Their tails are ________ than the rabbits'.The tigers are big,too.They are ________.They are “angry”.The animals are ________.