Final answer:
In French, adjectives are used to describe nouns and can be used to add information or clarify meaning. By adding adjectives and complements of the noun, we can make the noun more specific or descriptive. This is a common way to provide more detail in a sentence.
Step-by-step explanation:
a. Tu montes un cheval blanc.
b. A-t-elle retrouvé la vieille clé rouillée?
c. Nous lui offrirons des délicieux chocolats belges.
d. J'ai acheté un livre intéressant sur l'histoire.
Learn more about Adding adjectives and complements of the noun to sentences in French