首字母一道题：As it spread to the r____ of the world,Facebook emerged (显现)as a giant net of mor

首字母一道题：As it spread to the r____ of the world,Facebook emerged (显现)as a giant net of mor
As it spread to the r____ of the world,Facebook emerged (显现)as a giant net of more than 500 million users.
要限时的,过时不候
Everybody k____ everyone else's life.