— "Their (possessive pronoun)"

— "such a (demonstrative pronoun)" Key Grammatical Concepts

Below is the text typically used in the Lvov/Lvova textbook for this exercise, along with the correct identification of the parts of speech:

Words like эти (these) or тех (those) point to objects or qualities without naming them.

Двести (two hundred) indicates a specific quantity. Where to Find More Help

— "Angry (adjective)"