31.   The air is thick with dust, accumulated over years of not-remembering, years of not wanting to know.

32.   The air of friendliness was the kind that he disliked most.

33.   The air outside was colder now and it seemed to me that I caught a whiff of snow in the air.

34.   The air was balmy and birds sang.

35.   The air was bitterly cold and still, with the peculiar lifelessness that pervaded closed-off places.

36.   The air was delicate and there was a complete, absolute silence.

37.   The air was drier and dustier and gathered itself into small gusts.

38.   The air was fresh and crisp.

39.   The air was full of driving rain as Jack climbed the hill.

40.   The air was heavy with perfume and the little gold chairs were jammed tightly together in an attempt to seat everyone.