31.  A common complaint of children is that parents do not listen to them.

32.  A common mistake is to imagine that dogs think like humans.

33.  A commonly used argument in favour of speech recognition is that it is the most natural communication medium.

34.  A community famed for exuberant high living suddenly Decided that austerity was the better part of valour.

35.  A complete planned maintenance programme is necessary to ensure that pests are controlled and hygiene standards are maintained.

36.  A computer program verifies that the system is working.

37.  A condition of rescheduling the debt was that Walker split his dual role at the top.

38.  A condition of running it through the grounds was that it be made quite invisible and inaudible from the house.

39.  A consequence of breaking new ground is that received wisdom becomes a poor guide.