Заполните пропуски в предложениях,используя it is или is it. 1. how far from lesgaft university to the nearest underground? 2. " raining now? "" . take an umbrella with you." 3. vegry late.please,stay at dangerous to walk at night. 4. what time now? 10 oclock. high time to begin our classes. 5. not far from lesgaft university to the swimming pool. 6. expensive to rent a flat? 7. difficult to speak english? 8. anns birthday today. shes 18. 9 difficlt to take exams? 10 true that he is an olimpic champion? 11. good to help your friends