1 . 总共有来自80个国家的2292名青年参与者演唱惠塔克的歌曲《假如》。
________, 2,292 young people from 80 countries joined in to sing Whitacre’s song “What If”.

2 . ________, 2,292 young people from 80 countries joined in to sing Whitacre’s song “What If”.
总共有来自80个国家的2,292名青年参与者演唱惠塔克的歌曲《假如》。