吸烟对我们的健康有坏处。Smoking____ _____ _____ our health.

At no time _____in the classroom. A: is smoking permitted B: smoking is permitted C: does smoking permit D: smoking is it permitted

In no circumstances （） in public places. A: smoking should be allowed B: should smoking be allowed C: smoking is allowed D: allow smoking

Why can’t I smoke here?At no time_______ in the meeting-room.? is smoking permitted|does smoking permit|smoking is it permitted|smoking is permitted

______ is forbidden in the meeting-room but we are allowed ______ in the room for smokers. A: Smoking, smoking B: Smoking, to smoke C: To smoke, smoking D: To smoke, to smoke

To give up _____ means _____ . A: smoking, stopping smoking B: smoking, to stop smoking C: to smoke, to stop to smoke D: to smoke, stopping to smoke

Our main aim is to discourage young people _____. A: of smoking B: in smoking C: from smoking

Why can't you smoke ? At no time _______ in the meeting room. A: does smoking permit B: smoking be permitted C: is smoking permitted D: permits smoking

-Why can't I smoke here? -At no time________in the meeting-room. A: is smoking permitted B: smoking is permitted C: smoking is it permitted D: does smoking permitted

Why can’t I smoke here?At no time_______ in the meeting-room.( ) A: is smoking permitted B: smoking is permitted C: does smoking permit D: smoking is it permitted