Сделайте следующие предложения вопросительными, используйте "when" "where" and "what" 1. his children live in country. (where? ) 2. they study german. (what? ) 3. mr. borisov goes on business to london. (where? ) 4. these students get books on mondays. (when? ) 5. vadim usually comes to us in the evening. (when? )