1) What are you doing? - We are preparing for the concert. 2) Where are you going? - I am going to the library. 3) Where is Nick? - He is in the reference room. He is doing his homework there. Nick often does his homework in the reference room. 4) What is Victor doing now? - He is repairing his radio set. 5) Is Helen at home? - No, she isn't. She is having her music lesson now. She always has her music lessons after lunch. 6) Who is in the gym now? - Our class is training there. They train twice a week. 7) Don't make noise. The father is talking on the phone. 8) Don't come in that room. Our class is passing a maths exam there. 9)Students pass exams once a year. 10) Is it raining? - No, it isn't. But the wind is blowing hard. 11) We are departing tomorrow morning. 12) His son is going to become an agriculturist. 13) What are you going to do? 14) I'm explaining this rule to them now.