It was during the Ming Dynasty ________ the Great Wall was repaired and extended to take on the appearance it has today.
-----I’m afraid I can’t finish the novel you lent me this week. -----___________.
I think I must watch TV now, Dad. I _________ which team will win the game.
The school headmaster forbids ______ in the office. A. smoking B. to smoke C. us smoke D. from smoking
We were listening closely to the lecture yesterday evening when suddenly the light ________.
________ the manager has arrived, we can begin our discussion right away.