— Look! That’s Amy. — It _______ be her. She’s gone to Xi’an.
They’ve got two machines, but ________ works well.
The teacher asked me to ____ the exercise books before we began to do our homework.
If I _______ you, I would say another student could do it better.
My father used to ______ me to concerts. But now, I have no time for concerts.
If you _______ your name on the paper, you can get a magazine.