1.   At the same moment in which they heard the engine roar the things began going off.

2.   Ezra dropped the mooring, the engine roared, the bow rose above the water and the land pulled away.

3.   The engines roared.

4.   The engine roared, and the vehicle leapt forward.

5.   Our engine roared to life, the powerful jet turbines making enough noise to waken the dead.

6.   The engine roared smoothly to life and he pulled away from the kerb.

7.   Car engines roar and fade on the street outside.

8.   Sunday, however, when the mighty engines roar again at Rockingham, N.C., the silence will be deafening.

9.   The engine roars as it works to bring the Xterra up to highway speed, though once there, it cruises along quietly enough.

10.   The engine roared.