Everybody knows that (a)---- (smoke) is a (b)---- (danger) bad habit. It is (c)---- (harm) to health. It is also (d)---- (cost). A (e)---- (smoke) should not smoke (f)---- (public). Smoking creates (g)---- (pollute). A single puff of cigarette contains. (h)---- (numerable) harmful particles that cause many (i)---- (respirator) diseases which are incurable. But there are many people who are (j)---- (aware) of the bad effects of smoking.