1.There have been ten thousand visitors to the exhibition since(its opening)请问since后不是用过去时吗,还有与it's opening的区别 2.The radio made in our factory are better than (those)made in theirs请问that what that one 为何不可?

have been there 中文翻译 have been there have been there 还是 have been to there Have you been in there?写成Have you been there? i have always been there i have never been there They have a____ been there There have been 一般疑问句 have you brother been there? I have been there,have been 是have been in还是have been to的缩写? there have been great changes为什么用have been have been there =have been in there?have been和have been in 有什么区别呢? have been there与 have gone there的区别 have been there 和 have lived there 有啥区别? I have been to the Water World .Tom has been there,too句行转换句型转换1.I have been to the Water World .Tom has been there too_______Tom_______I have been to the Water World There is a growing realization that had Saddam Hussein focused his missile-development programs on this sort of hardware rather than developing targets in Saudi Arabia and Israel bombarded by weapons whose miss distance might have been measured in te there has/have been的用法 “have been there ”and “have been in there”have been there 和 have been in there这两者的区别是什么 Have you been to there 哪里错