"I didn't know it was against the law to smoke on the right side of a car."

Workers are not allowed to smoke on their other breaks.

"But do you think I can smoke on this bus?"

"It doesn't change the number of people who smoke on campus by one."

He would leave in just a minute, and smoke the last cigarette on the way home.

Well, I'm not supposed to tell you but he was smoking on the station when we just caught sight of him.

Enter the number of cigarettes you smoke, on average, per day.

He also used drugs himself, smoking a joint an hour every day on the roof.

"But it would still be too dangerous to smoke on deck."

Do not smoke on the day of the test.