best a friend还是a best friend?为什么?

A friend you like best ()is he a best friend name a single best friend "a best friend" "the best friend" best前可以用“a" "the"吗? Tom and Tony are ___.A:best friend B:my best friend C:best f Diamonds are a girl's best friend. Everybody Needs A Best Friend是什么流派 分析句子,Everyone needs a best friend. they are a( ) my best friend Tom is a best friend of mine. Everybody Needs A Best Friend 歌词 《Best friend