—We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.

— Can I pay the bill by check?—Sorry, sir. But it is the management rule of our hotel that payment _______ be made in cash.

— What are you doing this Saturday?— I’m not sure, but I go to the Rolling Stones concert      

--I went to work on foot yesterday, though it was raining cats and dogs.---You __________ a bus. You were likely to get a cold.

Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!