_____ is a way of living green.
A: Walking
B: Walk
C: Smoking
D: Smoke
A: Walking
B: Walk
C: Smoking
D: Smoke
举一反三
- _________ is a good way to keep fit. A: Walk B: To walk C: Walking
- ______ 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
- People are not allowed ____ in the cinema, but they will allow ____in the rest room. A: to smoke, smoke B: smoking, to smoke C: to smoke, smoking D: smoking, smoke
- We do not permit （）in the office, so we do not permit him（）_ here. A: to smoke; to smoke B: smoking; to smoke C: smoking; smoking D: to smoke; smoking