since when did you two become such good friends?

since when did you two become such good friends? since when did/do you become so diligent When did you study in france?A,Two years ago B,Since two yea Since when have you become active?翻译 We've become good friends since last summer.的意思 When did you start to play the piano A.For two years B.Since When did you become a pioneer? When did you become a housewife? What did I do to deserve such good friends? We___（become）good friends when we___（be）children we (become)good friends when we （be） become good friends present