Answer:
1. A cloudless sky.
2. A stony path.
3. A dozen of pen.
4. A wintry weather.
Explanation:
An adjective is one of the parts of speech in English language and it can be defined as a word that qualifies or describes a noun in a sentence. Some examples of an adjective are big, small, happy, tall, short, fat, rambunctious, cloudless, wintry, stony, dozen, etc.
An adjective can often replace many words in a sentence. These is illustrated in the following examples;
1. A sky which has no clouds; a cloudless sky.
2. A path covered with many loose stones; a stony path.
3. Twelve pens; a dozen of pen.
4. The weather in winter season; a wintry weather.