These are Lucy and Lily. They are twins. They are twelve. This is their bed room. There's a big desk
and a bed in it. There are some books and two pencil cases on the desk. Lily's sweater is green.It's on
the chair. Lucy's skirt is red. It's on the bed. Their trousers are on the bed, too. Lily's shoes are under
the desk. Lucy's hat is black. It's on the floor.

据短文内容，回答下列问题。

1. Where's Lily's sweater?
    _____________________
2. What color isLucy's skirt?
    _____________________
3. Are Lily's shoes bed?
    _____________________
4. What's on the floor?
    _____________________
5.  What color is Lucy's hat?
    _____________________

A. you
B. your
C. yours ?