Объясните как правильно задавать вопросы с do и das

Do I/we/they/you ...  ?
Does he/she/it   ?

Например:
Do they (I, we, you) read a lot?
Does he (she, it) read a lot?

Russia is the largest country in the world. It has a long and interesting history. The country is famous for its numerous places of interest. The capital of Russia is Moscow, and it’s the biggest city in the country. Another big and famous city in Russia is Saint Petersburg. It has once been a capital of the country. These two cities have the majority of Russian sights. For example, the Kremlin, which is situated in the heart of Moscow, the Bolshoi Theater, which is also in Moscow and many others. Saint-Petersburg is famous by its magnificent architecture. Almost every building in the city looks like a rare masterpiece. Many people take trips along some Russian cities, called Golden Ring. The Golden Ring of Russia includes such cities as Suzdal, Vladimir, Ivanovo, Yaroslavl and many others. These cities are famous for their rich history and ancient churches. Also, tourists can take part in some authentic festivals when visiting these cities. Another famous sight in Russia is situated in the center of Asia. It’s called Altay. Many tourists want to see this amazing region, which is known for its crystal clear lakes, high mountains and other natural wonders. The deepest lake in the world, Baikal, is also situated in Russia, in the East Siberian region

Russia is a magnificent country.
Kizhi Island. This is one of the main attractions of the Republic of Karelia, located in the North-West region of Russia, bordering Finland and washed by the waters of the White Sea. Since the 13th century, the Karelians, the Finno-Ugric people, have been living here, which turned out to be at the crossroads of the cultures of the West and the East. Baikal. Traveling along the Trans-Siberian Railway and not enjoying the views of Lake Baikal is simply silly. This ancient lake is the purest and deepest freshwater reservoir of the planet. It contains 20% of the world's fresh water reserves, and the depth of the lake reaches 1642 meters.