—Who called just now, Sam?—It’s Mona. She asked _____.
—Could you please help me do homework this afternoon? —_________ I will be free after 2:30 in the afternoon.
Peter is ________of the three boys, but he’s _______than the other two.
—Where is Jack?—He _________ basketball on the playground.
There is ________ useful book on the desk, _________ useful book belongs to my brother.
Could you tell me________?