Smoking is a bad habit.
举一反三
- Smoking _____ a bad habit. A: is B: are
- Smoking, _______ is a bad habit, is, however, popular.
- I strongly suggest you_______. It’ s bad for your health. A: to form the habit of smoking B: learn how to smoke C: to make smoking a habit D: give up smoking
- Smoking, _( )____ is a bad habit, is, however, popular. A: that B: which C: it D: though
- Smoking _____not a good habit. A: is B: are