Ответ:
1)my holiday wasn’t of much benefit to me.2)we were sailing to French coast.3)The parks in the town are free of charge.4)Plenty of sunshine is one of the benefits of living in the south.5)I did it for your benefit.6)They paid him the value of his lost property.7)His property is situated on the Black Sea coast.8)This is a discovery of great value.9)I hope that what i have written could be of benefit to someone else.10)We were enouraged by our teacher to go on with our experiment.11)This document could now work for Helens benefit.12)Such gadgets began to drop in value.13)Your help is of great value to us.14)The field trip was of great benefit to the students.15)His landscapes are said to be of great value.