She-or whatever it is she's turned into-could prove extraordinarily useful.

The chemicals have special properties that make them extraordinarily useful.

Stephen's little girls, Sarah and Emily, were extraordinarily useful at a time like this.

This proved extraordinarily useful, and was soon used throughout the fleet.

Eileen had learned years before that her delight in listening to people's stories was extraordinarily useful.

It is here that the strange, but extraordinarily useful design of the BN3 scores.

He does not write or type, and rarely reads from notes in public, but developed an extraordinarily useful memory.

Computer adjustments while running may be extraordinarily useful to some athletes.

In that respect too it is an extraordinarily useful report.

It remains an extraordinarily useful first reference for a quick and reliable coverage of events at a particular time.