求!they have been in the army since two years ago的同义句转换~!急啊

they have been tather timid in the changes they have made,求翻译 they have been in kate's for Where have they been?能不能说：They have been in their room. They have been actually using farming practices where they are not putting in organic matter.求翻译 Where have they been? they have been in china for 5 years快 In fact,you did not know they could have been they have -------(been,arrived)in shanghai for 2 days. have/has been in 求具体用法 求!they have been in the army since two years ago的同义句转换~!急啊 They have a____ been there have been in I have been in. 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 They _____ China for two years.A.have been to B.have been in C.has gone to They___friends since they met in shanghai?A.have made B.have become C.have been D.have had They___friends since they met in sh.A.have madeB.have becomeC.have turnedD.have been请说明理由 Few of the children in this area have been to Beijing,_____?A are they B have they