Ответ:

present simple:

1 Kiev is the capital of Ukraine

2 Kiev is an important industrial, scientific, educational and cultural center of Eastern Europe

3 Kiev, one of the oldest cities in Eastern Europe, passed through several stages of prominence and obscurity.

past simple

1 Kiev used to be the capital of Kievskaya Rus

2 In World War II, the city again suffered significant damage

3 Kiev recovered economically in the post-war years, becoming once again the third-most important city of the Soviet Union.

Объяснение: