Many children are terrified of ___ (be) alone.

Many children are terrified of ___ (be) alone. Many children now feel unhappy because of ___(be) alone. Mario is terrified of _____ alone.a.be b.is c.being d.are be terrified of doing造句 be terrified of 怎么造句? 有 be terrified of 造句! be terrified of ,be terrified to的区别 Tracy is terrified of being l___ alone in the house Be terrified of sth=terrify? be terrified of 后接什么? be terrified of等于什麽 Many people are afraid of _____(die) alone.