A. The only thing neighbor have in common to begin with is proximity, and unless something more develops, that isn't reason enough to be best friends.
    B. As I look back, it's clear that he had deliberately kept all of that hidden from us to avoid spoiling our fun.
    C. Though grateful for gentle employment, he didn't really see who had a gift for writing should necessarily be able to teach.
    D. For a shy man, his gregarious generosity of spirit was remarkable.