Hurry up, or you ______ catch the train. 

---Do you still remember when we went to Chong qing?----I can’t remember now but_____ sometime last summer?

—What does the sign over there read?—No person        smoke or carry a lighted cigarette, cigar or pipe in this area.

(2013·高考重庆卷)—What are  you doing this Saturday?—I’m not sure，but I________go to  the Rolling Stones concert.

— May I smoke here?— No, you ______ . This is a no-smoking room.