9. which sentence contains a misplaced modifier?
a. my cousin has a rehearsal, whom we drove to the dance studio.
b. this is a card from gina, whom we know from the old neighborhood.
c. jesse, whom i met last year, rides dirt bikes.

A, because "whom we drove to the dance studio" should be after "my cousin", not after "rehearsal". Making it after "rehearsal" makes it describe the rehearsal.

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.