21.   There was so much noise from the engine that we had to shout to hear each other.

22.   There was so much noise outside, I could hardly hear what she was saying.

23.   There were clanking noises coming from further within.

24.   There were noises to fear-something substantial ripped from the undercarriage and the thumping of a tire burst into shreds.

25.   Traffic noise is a problem in inner-city areas.

26.   Traffic noise is sometimes a problem.

27.   Listen!

28.   Check under the hood and see what that noise is.

29.   Noise is one of the curses of modern-day life.

30.   I wondered what that noise was.