1 . 在欢送会上，我们为外宾表演了各种各样的节目。
We _________________ for the foreign guests at the farewell party.

2 . 孔子认为“仁”这个观念是生活中最重要的道德准则，至今仍然与现代社会息息相关。
Confucius identified the concept ren as the most important _________ _________ in life, which is still relevant in modern society.

3 . 惠塔克的第二个壮举是打造联合国儿童基金会“虚拟青年合唱团”，该团于2014年7月23日在英国首次登台演出。
Whitacre’s ________ was the Virtual Youth Choir for UNICEF, which was first seen on stage on 23 July 2014 in the UK.