What are the main activities mentioned in the text that children can do during holidays in Russia?

Activities during holidays in Russia:

• Go to the country
• Go to the sea
• Go to camp
• Swim
• Sunbathe
• Sing songs
• Play sports games
• Pick vegetables and fruits

Answer: Children can go to the country, to the sea, or to camp. Specific activities include swimming, sunbathing, singing songs, playing sports games, and picking vegetables and fruits.