If the proper name comes first (e.g., Волга-река ), a hyphen is required.
For exercise 142 from the 8th-grade Russian textbook by , the focus is on identifying and correctly punctuating appositives (приложения)—a specific type of definition expressed by a noun. Exercise 142 Breakdown If the proper name comes first (e
The task typically asks you to rewrite sentences, inserting the appropriate appositive in the correct case and adding necessary punctuation (usually dashes or commas). If the proper name comes first (e