How is going?
How do you do?
Are you OK？
How are you?
How is life treating you?
“How are u doing?”表示“你好吗”,在美国最常用.
“How are u”,这个是最简单的,初学英语就会学到,但实际中不如“How are u doing?”更常用.
“How's going?”这个熟人间比较常用,很随意.
“How's life treating u (recently)?”也表示“你好吗”,直接翻译是“（最近）生活怎么样?”
建议多用：
“How are u doing?”
温馨提示：答案为网友推荐，仅供参考