If I _______ plan to do anything I wanted to, I’d like to go to Tibet and travel through as much of it as possible.

— Listen! Jane is singing in the next room.— It             be her. She has gone to New York.

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

Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.

-- Waiter! How soon can I get my food? I just have half an hour left before my train leaves.-- It ______ be ready in five minutes.