It’s important for Jim ______ the piano well, if he wants to be a musician.
“________bookcase is this?”“It must be________.”
The nice hair band must belong to Jane,because she is the only girl here.
The nice T-shirt must be________,because they both like wearing T-shirts.
My mother bought me a book________India.
I was terribly________about the children when they didn’t come home from school.