____of them has known about the accident because it has been already reported on TV.
问题描述：
____of them has known about the accident because it has been already reported on TV.
A.Each one B.Every one
C.everyone D.Everybody
说明为什么.
答
选B.C D后不能跟of 结构,A侧重个体,B侧重全体,即所有的人,既然电视都报道了,当然强调他们所有的人都知道了为好.