What weakness is revealed in this excerpt from serena lawrence's cover letter?

What style should a speaker use when preparing a speech for his or her school's parent teacher association? a. excited b. casual c. strict d. formal

Match the description to the term. 1. textbooks conference usage 2. elements surround a word which clarify the meaning casual usage 3. the way in which english is used context 4. family and friends frozen usage 5. friends at a football game formal usage 6. teachers and employers intimate usage 7. making an appointment usage

What does this excerpt explain about this setting