Aligned one behind the other.
1We went in , in single file; there was not room for two.
2Jan followed, and the other men fell in behind in single file.
3He spoke briefly to Kivu and we started forward in single file.
4They were in single file, and the first canoe was the largest.
5Each team is lined up in single file behind a base line.
6The pilgrims trailed along the path in single file, one behind another.
7The firemen, whom Girbal commanded, sword in hand, stood in single file.
8Four men in single file ran alongside the museum on Montague Place.
9I led off, and Captain Rudstone and Carteret followed in single file.
10They were so narrow that people could only go in single file.
11Their long cavalcade stretched in single file for nearly half a mile.
12These native paths are only broad enough for men in single file.
13The march was immediately commenced, in single file, along this giddy ridge.
14We walked in single file, preceded by Hans, the imperturbable eider-duck hunter.
15We followed in single file, Claudel leading, me bringing up the rear.
16At three o'clock the carriages were still streaming by in single file.