5 sentences with “concentrating”

-Excellent," I replied, concentrating on my work.

Pushing its way through the undergrowth, the sapling grew there, not wasting energy on growing upwards, but concentrating on what was the shortest possible route to sunlight... and to life.

His grandson, also called, confusingly, Friedrich Wilhelm ("Friedrich Wilhelm I" as opposed to just "Friedrich Wilhelm", r. 1713 - 1740) built on the work of his grandfather and father by mainly concentrating all state power in the military.

To the captain's right, on his first flight with him, was 39-year-old first officer Alastair Atchison, concentrating on the instructions beamed to him from the control tower, which was guiding Flight 5390 through the crowded airspace west of London.

In other words, Dante was indifferent to the entire period of the Middle Ages, concentrating instead on what he imagined would be the spiritual destiny of the great thinkers and heroes of the classical age (and blithely relegating the Italians he hated to hellish torments).