To, with, about, at, for, on ставит вместо ..... помогите пожалуйста
We are students ….. the Almaty Institute of Power Engineering and Telecommunication. 2.We come …. the Institute every morning. 3.Now we are ….. the lecture. 4.The professor is writing different figures …. the blackboard. 5.The teacher says: “Askar, give your book ….. Marat”. 6.There are many lecture halls ….our Institute. 7.What are doing here? I am waiting ….. a friend of mine. 8.Where are the students sitting? They are sitting ….their desks. 9.Answer …. my question, please. 10.We have no mistakes ….. our work. 11.There were no exams … the 9th of September. 12.We are speaking … our lecture.