21.  A most useful exercise in the diabetic clinic is inspection of injection sites.

22.  A new Tesco superstore is being planned for the site.

23.  A number of smaller firms also operate on the site.

24.  A team of investigators is examining the crash site.

25.  A two-hour bus tour takes in the main sites and ends at a peak overlooking the city.

26.  A vast American conglomerate has announced plans to buy the site at a cost of well over a billion dollars.

27.  A well-run caravan site near the river brings holidaymakers into the village.