Tom是他可以面对面（face to face)交流意见的同学(翻译成定语从句） 他是我初中的同学,我把他作为我最好的朋友（翻译成定语从句）

Tom is the student whom he can exchange opinions face to face.
He is my classmate in the middle school, whom I regard as my best friend.

Tom is the classmate with whom he can exchange ideas face to face.
He used to be my junior school classmate, whom I consider my best friend.

tom is the classmate who he can talk to face to face.
he was my junior school classmate,who was regarded as my best friend