魔幻手机飞人组合图片:be excited (?) sth. ?

be excited (?) sth. ? be excited about doing sth.与be excited to do sth.有何区别? be sth for sb be sth to sb be different( 介词 )sth be busy doing sth/with sth be worried about和be excited about有什么区别 be bored with sth.还是be bored at sth. be used to doing sth? be rich( )to do sth