In the Croatian language, adverbs are used to modify verbs, adjectives, or other adverbs. They usually describe actions, situations, or characteristics and help express manner, place, time, degree, or frequency. The formation of adverbs in Croatian typically involves adding suffixes to adjectives, like “-o” or “-ski” to the masculine form. Additionally, some adverbs are formed by using the preposition “na” followed by an adjective. In this exercise, you will practice the formation of adverbs in Croatian by completing the sentences with the appropriate adverbs.