1 We entered the hall after the concert began2 He took the pen, signed and left the room3 They went to Moscow after they passed the exam4 Where did you work before you entered the university?5 Where did he live before he came to Moscow?6 Did the children write the dictation when you entered the classroom? - Yes, they wrote dictation7 Did the children write the dictation when you entered the classroom? - Yes, they wrote the dictation when I entered the classroom8 Will you read my article before Monday? - Yes. Tomorrow is Sunday. I will read it all day9 What did you do when she came home? Did you cook dinner? "" No. When she came home, I already prepared dinner.