语法填空I was walking along the street one day 1_ I saw something very strange.I noticed a man the
same height 2_ me who had a beard 3_mine.He was wearing a blue shirt and an old pair of jeans and he was carrying a bag 4_ some book in it.He was just crossing the road ahead of me 5_ he was not avoiding me delibcrately,I was sure of that.As he went across the road I followed him.I wondered whether or not to stop him and 6_(ask) him 7_he had noticed something strange too.I was still thinking about it about it when he turned round suddenly and we looked at each other.We looked amazed ."It's 8_ (believe),isn't it " I said as I stared at his face,9_ was just like mine ,and at his hair,which 10_(be) also just like mine ."You are my double .You look exactly the same as me".