Why don't you sing us an English song now?(保持原意） Why ______

Why don't you sing us an English song now?(保持原意） Why ______ why don't you sing an english song?(改为同义句?） Why don't you sing an english song at the party?（同意句转换) Are you _____(will) ______(sing) us an English song? why don't you learn ______(sing) English songs _____(improve Why don't you learn to sing English songs?(翻译) Why don't you learn to sing English songs翻译 why don t you learn to sing english songs why don't you learn to sing English songs改写 Why don't you learn to sing English songs Why don't you learn to sing English songs缩写 Why don't you go to the school library with me?保持原意