Answers the questions О ком? О чём? (About whom? About what?). Apply the Rule
For 1st declension nouns in the Dative and Prepositional cases, the ending is usually (e.g., к сестре , о школе ).
Note: Words ending in -ия (like армия or станция ) are exceptions and take the ending . Example Breakdown
The exercise typically requires students to read a text, identify nouns in specific cases, and correctly apply spelling rules to their endings. At this level, the focus is often on distinguishing between the endings and -и . Step-by-Step Solution Guide Identify the Noun and its Declension