They have gone over to France.翻译并说明这里的over如何理解?

They have gone over to France.翻译并说明这里的over如何理解? where have they gone?答语急呀 They have gone to Xi'an,___(have) they? 为什么They have come.come是原形而They have gone.gone就不是原形 they have gone there 变被动they have gone there 变被动 You made so many mistakes in the exam.You ___your lessons last might.A.mustn't have gone over B.needn't have gone over C.shouln't have gone over D.con't have gone over They have thick muscles over their stomach.翻译over They have gone to Beijing two years ago.(改错） 对括号部分提问:They have gone to (the library). they have gone to abroad 有to 么? 对括号部分提问：They have gone（to London）. Well,I hope they’ll have gone by then! Now they have gone into east and south Asia. they have gone far into east and south Asia意思 英语语法：They have been gone.这里表达的不是被动态?有没有They have gone.这个说法的? Do you think where have they gone?(合并成一句) ——,——,——,——,they have gone? We have __many difficulties these years.A.gone over B.gone on C.gone out D.gone through选哪一个呀,能详细讲解一下吗?谢谢! have gone