Hi,Xiao jin.I hear you have jist come back form your vacatio

Hi,Xiao jin.I hear you have jist come back form your vacatio A：Hi,Xiao Jin.I hear you've just come back from your vacatio 英语中考题：Hi,Jim.I hear that you've just come back from Sanya.I' ----Hi,nancy.I didn't know you had come back.So have you gra ----Hi,Nancy,I didn’t know you had come back.So have you gra i just come back form you have just come back your hometown为什么不用came I didn't know you had come back 中的had come 不该用have came back I have Just come back I need you come back I hope that's not your back,but you come back. HI.can.you.hear.