Переведите текст и вставьте пропущиные буквы в словах: russian schools in russia secondary usually begins at the of ten.in most schools parents do not pay for their children,these schools are .secondary school pupils do different : russian,maths,russian literature,chemistry,physics,art and others.they usually go to school five days a week from half past eight in the morning to two or three in the afternoon.they have ten or fifteen minute after every lesson and a longer lunch .the russian school year usually has four and four school holidays in autumn,winter,spring,and summer.the summer holidays are the longest.