Нужна когда читаем букву с звук с, а когда звук к . яз

c - [s] - перед “e”, “i”, “y”

place

pencil

cydia

c -  [k] - перед “a”, “o”, “u”

cake

colour

cut

c:

- c - "c" : перед гласными i,e,y.

- c - "к" : перед гласными o,a,u.

              перед согласными.

- с - "ш" : +ian; + ial; +ient. 

                у взаимствованных с другого языка.

- ch - "ч".

- ck - "к". 

cyprus, is situated in the eastern corner of the mediterranean,is so close to europe,asia and africa, that it rightly claims to be a stepping stone to all three continents.

the landscape, blessed with natural beauty, is one of infinite contracts.cool, virgin mountains are opposed to golden sunny beaches.

cyprus environment is one of the healthiest in the world,free of any kind of pollution.

due to the marvelous climate, the island offers endless opportunities for outdoor sports fan.