djdjdj
13-10-2010, 11:59 AM
Satellite navigation(has developed-has been developed)?
مشاهدة النسخة كاملة : has developed or has been developed djdjdj 13-10-2010, 11:59 AM Satellite navigation(has developed-has been developed)? elbhy 14-10-2010, 02:58 AM Satellite navigation has developed .................what I think such sentence is not grammatical as satellite navigation can't be a doer of anything the answer should be satellite navigation has been developed djdjdj 14-10-2010, 06:42 PM Thankssssssss |