他们才刚刚开始认识到损失的全部程度。

They are just beginning to realize the full ___extent of the damage.

她的脸伤得很严重，我们都认不出她了。

Her face was injured to such an ___extent that we didn't recognize her.

罗茜知识的广博程度给她的老师留下了深刻印象。

Rosie's teacher was impressed by the ___extent of her knowledge.