浪费所有这些食物真可惜。

It's ___a ___shame to waste all this food.

他们不得不拆掉这样一栋美丽的建筑，真可惜。

What ___a ___shame that they had to destroy such a beautiful building.

很遗憾你不能来参加我的派对。

It's ___a ___shame you couldn't come to my party.