[moha_5500]

if u r tallking about cairo u will choose in . if u r talking about the cairo airport u will choose at

so the right answer is at .

يعنى البل at و الاماكن داخل البلان in بس هناك بعض البلاد صغيره الحجم يمكن ان تأخذ at .
at Banha .