—Listen! Someone is singing in the next room. Who ____ it be? Is it Li Wei?—No, it ______ be her. She is at school now.
Can you help me ______ my ping-pong ball? ---Sure.It’s in your drawer.
---Is this your book ? ---No , I think it’s ______ .
---______ your school ______ a School Day ? ---Yes , it is in May .
---What is ______ month of the year ? ---It’s December .
---Do you know ______ boy in blue ? ---Yes , he is ______ English boy .