1. They were standing in a row.

2. They were standing in two rows.
3. They were standing in line.
4. They were standing in a line.
5. They were standing in two lines.

Which ones are correct? What is the difference between 'row' and 'line'? Do they have the same meaning?

1 answer

All are correct.

If you're standing in a row, you are simply standing next to other people in a straight line.

If you're standing in line, you are also in a row, but all are facing forward and you have a destination -- a ticket booth or a bank teller or something.