The document discusses prefixes "super" and "ex-", providing examples of words that use each prefix like supermarket, supernatural, and supercook. It defines "super-" as meaning big or excellent and "ex-" as meaning former. Several examples are given of sentences using words with these prefixes, such as "That supermarket is the biggest in the world" and "Alfredo Lim is the ex-mayor of Manila". The document appears to be part of an English lesson, covering prefixes, examples, oral and written practice, evaluation, and assignment.