1 . Can you imagine     1    (sing) together with hundreds of other people while you are alone at home? You can do this in a virtual choir．All you need is a video camera and an Internet     2    (connect)．A virtual choir     3    (enable) people to add their voices     4    those of other individuals．

The virtual choir was the idea of Eric Whitacre     5     is an American composer and conductor．He began to study music in the university and got     6    master’s degree in 1997．After that, he accomplished many well received compositions．In 2009,     7    (inspire) by a video he received from a girl singing one of his     8    (work), he created his first virtual choir, LuxAurumque．Later, his song What If was first put on a     9    (perform) on 23 July 2014 in the UK．

The virtual choir is a wonderful way to sing with one voice and thus make the world a     10    (good) place．