i just come back form

i just come back form my father--------just-------(come)back form work. I have Just come back I just come back from Bruce's just come back form England,______? I am just come back from you He has just come back form a southern city 为什么用a i just ___ (come ) back from hefei yesterday I'm tired because I just came back form e long vacation.怎么提问 Hi,Xiao jin.I hear you have jist come back form your vacatio u just come back home? he has just come back