Interrogative adjectives in Croatian grammar are used to ask questions about the quality, quantity, or identity of a noun or noun phrase. They usually come before nouns and agree with them in gender, number, and case. The most common interrogative adjectives in Croatian are “koji” (which), “čiji” (whose), and “koliki” (how big/how much). In this exercise, you will practice using these adjectives in context by filling in the blanks in the following sentences.