——昨天下午同学们去听音乐会了。
——真遗憾!那时候我在做作业。
—Our classmates went to a concert yesterday afternoon.
—What a ____! I was doing my homework.
答案
pity
知识点:道歉、遗憾和应答

真遗憾What a pity/shame!正确答案为pity/shame。

略
