Where are people likely to become impatient?\nOptions:\n- end of line\n- buildings\n- apartment\n- neighbor's house\n- address
Let's think step by step.
end of line
People usually get impatient when they have to wait for something.

People standing at the end of a line have to wait for their turn.

People at the end of line tend to get impatient.

.

So, the final answer is end of line