Miss Li is teaching ___________the classroom and I am sitting ________ my friend.A. in front of; in the front of B. behind; in the front of C. in the front of; behind
My brother is _____ his homework. He often _____ his homework at home.
—Here is a schoolbag. Whose is it? —Oh, it’s _______ Thank you.
—_______ is this pen? —It’s mine.
This is ______ key and that is ______ eraser.
There’s ______ water in the cup.