I have konwn Sandy since two years ago 改为同义句

I have konwn Sandy since two years ago 改为同义句 I really ought to have konwn better. I ___li lei since he was a little boy A had konwn B have known 改错题I have a sister call Sandy. 一些英语谚语…… …… 英译汉a nine day's wondera drugstore cowboy(条件：i don't believe what he says ever since i have konwn he is a drugstore cowboy.要求符合句意)a nine day's wonderget into trouble汉译英傻瓜虽可等,光 “You cannot appreciate,happiness unless you have konwn sadness too. have加过去分词意思?我知道是现在完成时态,直译过来的话是已经怎么怎么样?I have known how to ski since I was a little girl 这句话中的have加konwn怎么翻译 I have known Sandy for two years(对for two years提问) I have known sandy since three years ago以 since three years ago ,提问 i went to Sandy's home to make the card.对to make the card提问.()()you()to Sandy's home? sandy sandy Sandy sandy sandy sandy Sandy! Where have you gong?改错 急 读一读,根据提供的场景,完成下面对话.（Tony和Sandy正在超市食品柜台购物.）Tony:what snack do you like?Sandy:I like( ).What about you?Tony:I like( ).Sandy:Let's buy some ( ).Tony:What does your mother like?Sandy:She likes ( )