Dad was unable to travel to Barcelona with a c of his friend

Dad was unable to travel to Barcelona with a c of his friend ( )4.He was very proud ___ his dad. A. with B. of C. in he went to the cinema with a friend of his My father met a friend of his when he was on his way to work He was ____ to go out with his girl friend. We went to travel with some feiends of __.A.us B.ours C.our Dick is going on a p____tour to Beijing with a friend of his Jack goes to ___ movie with his friend A.The B.an C.a D./ unable to boot off of drive c He wocnted ( ) his friend with English.A.help B.helps C.to h This went on to one day when I was fishing with a friend of we went to travel with some friend of ours ours代替了什么