She didn't know a single person in New York City.
No conocía a ninguna persona soltera en Nueva York.
He didn't know a single person in New York City.
No conocía a ninguna persona soltera en Nueva York.
<F>She</F> didn't know a single person in New York City.
No conocía a ninguna persona soltera en Nueva York.
<M>He</M> didn't know a single person in New York City.
No conocía a ninguna persona soltera en Nueva York.