-How many books are there in the box?-_______.A. None B. No one C. No
—Maggie, why did you take a bus today? —Oh, I forgot to tell you about that. My bicycle ______ yesterday.
—Someone is knocking at the door. Who ______ it be? —It ______ be Victor. He went to London yesterday.
When the firemen arrived, the fire had been ______
—______ city Rio de Janeiro in Brazil is! —Yes. The 3lst Olympic Games will be held there.
Thanks for your ______. It really helped me a lot.