The officers, as usual, lived in twos and threes in the roofless, half- ruined houses.
She replied immediately, "Twenty twos make forty."
They were sent out in twos, an ecclesiastic and a layman, and were generally complete strangers to the district which they administered.
A flower in which the parts are arranged in twos is called dimerous; when the parts of the whorls are three, four or five, the flower is trimerous, tetramerous or pentamerous, respectively.
She was working recently with the number forty, when I said to her, "Make twos."