The school headmaster forbids ______ in the office. A. smoking B. to smoke C. us smoke D. from smoking
When she returned home, she found the window open and something ______.
My uncle _____ to see me. He'll be here soon.
----- May I put my luggage on the seat beside you, madam? If it is free? -----________ .
It is __________ that everyone in the country likes to play it.
The light is still on. They ___ to turn it off when they left the room.