用恰当的疑问词或疑问短语填空。(20分)
（1）—________________is Jim's mother?
—She's a nurse.
（2）—________________is it?
—It's （2）8 yuan.
（3）—________________presents are those?
— They are mine.
（4）—________________is the shirt?
—It's white.
（5）—______________months are there in a year?
—There are twelve.