2 Are the words in italics adjectives or adverbs?

Adjectives vs. Adverbs:

a Smoking is a bad habit. (bad - adjective) We lost the match because we played badly. (badly - adverb)

b Please listen carefully. (carefully - adverb) Jane's a careful driver. (careful - adjective)

a It's a hard life. (hard - adjective) b I work hard and play hard. (hard - adverb)