9. Choose the line where all the compound adjectives are written correctly. 1. Good-looking, easy-going, ten-pound, brand-new, part-time, first-class, well-known, north-east, short-sleeved, badly-written, left-hand, second-handed. 2. Good-looking, easy-going, ten-class, brand-new, part-time, first-pound, well-known, north-east, short-sleeved, badly-written, left-handed, second-hand. 3. Good-looking, easy-going, ten-pound, brand-new, part-time, first-class, well-known, north-east, short-sleeved, badly-written, left-handed, second-hand.

The correct line where all the compound adjectives are written correctly is: **3. Good-looking, easy-going, ten-pound, brand-new, part-time, first-class, well-known, north-east, short-sleeved, badly-written, left-handed, second-hand.** This line contains properly formed compound adjectives. For example: - "ten-pound" refers to an amount of weight. - "first-class" denotes the highest quality. - "left-handed" indicates the use of the left hand. - "second-hand" describes something used or previously owned. The other options include incorrect combinations like "ten-class" and "first-pound," which are not recognized compound adjectives.