Answer:
Grieve.
Explanation:
The way the question is set up, the answer would be grieve.
you cannot "grief" about someone but, you can have grief over something.
you can grieve, but you have to have grief.
A descriptive quote is simply a quote that throughly describes and gives details about a subject or in this case a character.
Without more information on your assignment, my best understanding is that your teacher is looking for a quote from whatever literary piece you are reading that best describes each of the characters.
Look up the story online and look up some notes and write about what it's about and then you'll be all set