那只猫听到响声时，从箱子里跳了出来。

The cat ___leapt ___out ___of the box when it heard the noise.

听到这个好消息，她从椅子上一跃而起。

She ___leapt ___up from her chair when she heard the good news.

他毫不犹豫地跳入冰冷的水中去救那个孩子。

Without hesitation, he ___leapt ___into the cold water to save the child.