1.   Central heating can be as serious a scourge to fine old books as it is to fine old furniture.

2.   He was being serious, or as serious as he knows how.

3.   Problems of rot were always with us but there were other problems as well which were just as serious.

4.   Supplies of food ran sufficiently low to pose a threat as serious as invasion.

5.   Supplies of food were so low that this posed a threat as serious as invasion.

6.   The absence of competition in the command political economy can result in problems as serious as those from excessive competition.

7.   You can be as serious about it as you want to be.

8.   In fact, his tone was level, and even his expression nowhere near as serious as she had imagined.

9.   His advance team of medics claims to have found many cases just as serious as Irma Hadzimuratovic, whose plight prompted the whole mercy mission.

10.   Silksworth professional Keith Trotter is off to a good start while Houghton are thankful that they injury to Neil Bainbridge is not as serious as first thought.