I am not sure how to read your choices but the future perfect third person is
he or she will have followed by the past tense of a verb. You have to read that a couple of times to get it right.
Perfect means the action will be completed some time in the future.
Third person is he she it. (in the singular form.)
he will have become a grandmaster chess player by that time, would be a correct use of the verb become.
Answer:
A. Neighbors who appear different from other neighbors
Explanation:
Her lack for compassion and her sense of horror I believe
Answer:
the Great Mortality, bubonic plague, the blue sickness, and the Pestilence
