---Listen! Somebody is singing in the next room. Who ______ it be? Is it Wei Fang?
---No, it ______.
---Whose notebook is this?
---It ______ be Ning’s. It has her name on it.
---Excuse me, is this the right way to No. 1 Middle School?
---Sorry, I'm not sure. But it ______ be.
---Where is my pencil-box?
---______ under the desk?
---“______is your dictionary?”
---“The one on the desk.”
---I haven’t bought anything good in this shop.
---Why not try ______ shop?
---What’s on TV tonight? Is there ______ interesting?
---I’m afraid not.
---I didn't do well in the contest. How about you?
---I didn't do ______ you.