We can't work out the physics problem. Can you tell us ?
—__________—Yes, a cup of tea, please.
— Where is Alice?—Oh, she __________ an English song in her room.
—There __________ a post office and two supermarkets in our neighborhood.—Yeah. And I think our neighborhood is very busy.
—Jackie Chan is __________ actor. —Yes, I like him very much.
—May I go to the science museum with you next Saturday?—You can't ________you have a ticket. I have only one ticket.