They have been to the sydney.有语法错误吗

Trayn and Jeff Have ever been friends.But when they go up to the 6th grade,everything changes.翻 Where have they been? 91308：they have to take up the housework which have long ago been allocated to woman such as laundry.相知到的语言点：1—take up the housework：怎么翻译?2—have long ago been allocated to woman：怎么翻译?1_they have to take up th They have never been to hong kong改为肯定句 they have been to Beijing_twice_.(划线部分提问) They have already been to Sandy Bay改成疑问句 They have never been to Bei Jing 怎么改反意疑问句? They have been to America.(改为一般疑问句) They have been to Tiannamen Square 改为一般疑问句 i think they have been to england的反义疑问句? They have been to the sydney.有语法错误吗 连词成句:they been to several Shanghai have times 修改病句 They have been to Europe many time. They have never been to New York,_____? How long__?Do you know?A have they married B have they got married C have they been marriedD have they been married to the children say that they have never been to london.对（that they have never been to london)提问 They have never been to Australia before.对方说 So have we 还是Neither have we 现在完成时have/has gone to,have/has been to,have been in有什么区别The pupils zhe Palace Museum today.They are back now 答案是什么用have/has gone to,have/has been to,have been in填空