This is an old photo of mine when I was a child.答案是mine为什么不能

This is an old photo of mine when I was a child.答案是mine为什么不能 IT IS AN OLD PHOTO OF （ ）WHEN L WAS A CHILD用MINE或ME填空 This is a photo of mine and __(his him) 答案为him ---为什么不是his i ___(meet)an old friend of mine when i was going the park.用 I got a letter from an old classmate of mine this morning,改为 an old friend of mine这就话为什么用mine _ I was walking in the street,I met an old friend of mine. 请帮忙做两道选择题!1.An old friend of mine from Beijing, ____ I was e ___i was walking in the street,i met an old friend of mine Look at this photo!It is ( )in it.A,I B,me C,we D.mine a friend of mine(I) is a good reporter中为什么用mine This is a family of mine是什么意思