11.   The directors and actors had spent months in zoos recording the noises made by apes in emotional situations.

12.   The geologists took the nodules back to the laboratory and soaked them for months in acetic acid.

13.   The girls had been plotting it for a month in great excitement.

14.   The men had been camped for a month in swampy terrain, much of it malarial.

15.   They were two teenage girls who had spent months in the same hospital but had never seen each other.

16.   Flights took place sporadically throughout the month in a desperate attempt to build up stockpiles of supplies before the winter.

17.   She is hoping to buy garden furniture and a barbecue so she can enjoy the summer months in style.

18.   Copies of all theses sent to BLDSC for microfilming are indexed and listed each month in British Reports Translations and Theses.

19.   Gary Lineker to spend a month in sunny Swindon, before going to the land of the rising sun.

20.   At worst it could mean many months in hospital.