Question

1. which phrase has the most negative connotation?

2)
a dwelling
an abode
a hovel

Explanation:

To determine which noun has a negative connotation, we analyze each: "a dwelling" is neutral (a place to live), "an abode" is also neutral (a home), but "a hovel" implies a small, dirty, unpleasant home, carrying negative connotations.

Answer:

a hovel