Have you been abroad为什么abroad前不加to

Have you been abroad为什么abroad前不加to 1,have you ever____?A,abroad B,go abroad c,going abroad D,been abroad Have you ever (been abroad)?为什么不用gone abroad或been to abroad? have you ever been to go abroad的正确表达是怎么样的 have you ever been abroad.还是 have you ever been to abroad ,还是to go abroad Have you ever been abroad?可以同义句转换把been换成gone 意思相同吗 Have you ever been abroad; Have you ever traveled by air;把句中的been去掉有什么区别? How many times have you()abroad?TwiceA goneB beenC gone toD been to How many times have you()abroad? TwiceA goneB beenC gone toD been to You have never been abroad.(改味为反意疑问句) have you ever been to go abroad 应该有go还是没go have you ever ( ) ----abroad?no ever.用been 还是用gone.为什么 I have been abroad only ____(两次) Have you ever ( ) [study] abroad? I have never been abroad .He has never been abroad,either.的同义句 has amy of you been abroad?on none of us has been abroad has amy of you been abroad? on none of us has been abroad have you ever been______(abroadoreign contries) i have never been abroad before 这个before是什么词性