i want __some red pens?__对划线部分提问

i want __some red pens?__对划线部分提问
i want __some red pens?__对划线部分提问

i want __some red pens?__对划线部分提问
What do you want?

buy

what do you want?

What do you want?

划线部分是some red pens麽？
那么提问就是：What do you want?

Well,what can I do for you?