1.   As she lay there, barely conscious, she heard the sound of a car engine approaching.

2.   As she reached the landing, she heard a sound in her room.

3.   As they travelled along Endill thought he could hear the sound of an engine revving nearby.

4.   As we got deeper into the forest we could hear the sound of running water.

5.   Because you can almost hear the sound of consumer prices falling all over the country.

6.   Before I untucked the receiver from my chin, I heard the sound of another phone clicking into place.

7.   But I fancy I can still hear the sounds of the metal detector and a globe spinning!

8.   Encourage them to speculate on why some students heard the sound before others.

9.   He could already hear distant sounds.