_____you have already known each other.I won't introduce you

_____you have already known each other.I won't introduce you Since when have you known each other How long have you known each other? Have you already got that?I'won't wa ——Have you known each other for long? known,how long,have they,each other we have known each other since we You mustn't chase each other in the street.=_ _ each other i 提问,英语句型转换1.If you don't help me,I won't succeed.变同义句_____you 同义句转换They have known each other two years. 1:-------have known each other since fiver years ago . I have just known that you don't love me.