What do you think of _______ film about Zhan Tianyou? —It’s __________ good film.

Did you believe his story?—No, not at all. From ______very beginning, I knew it was ______ hoax.

While Helen ________ the piano，her mother came in．

You drink wine before driving, or the police will take your license away.

__________ do I have to change the robot’s batteries? —Every two months.