what's your last name,Paul?_____Brown.(怎么写横线上的?是不是it's 还是别的,

what's your last name,Paul?_____Brown.(怎么写横线上的?是不是it's 还是别的, what's your last name,Paul?_____Brown.(怎么写横线上的?只能写一个单词) What's your name What's your first name 和What's your last na what's your name和what's your last name有什么区别 What's your name? “What's your name? What’s your name? what‘s your name what‘s your name? What' s your name?应该怎么回答? What’s your name?该怎么回答? what's your name?怎么答?