My teacher wants me to check sp on my writing piece, what does that mean

Can you answer number 5 for me . hurry

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

:be at 's on 29.at 7: 30 p. m. ofgo toofin .is ,toor , as. be. is to at 9: 30 p. m. is? a. of b. c. d. of