2. Change the following sentences into interrogative, negative or interrogative-negative. 1. We shall take our examination in History on Monday. 2. They will leave Moscow in July. 3. We shall meet in the University, 4. She will call on them tomorrow. 5. We shall stay with my parents for a month. 6. Nina and her sister will be busy in the evening. 7. He will return in three hours. 8. There will be many students there. 9. There will be a meeting here today. 10. He will go to the country this Sunday.