1) Where was Peter yesterday? He … (be) at school. The school year started a week ago. 2) I’m absolutely sure! They … (arrive) yesterday. I saw…

1) Where was Peter yesterday? He … (be) at school. The school year started a week ago. 2) I’m absolutely sure! They … (arrive) yesterday. I saw their tickets. 3) The course … (begin) on the fifth of September but I’m not so certain about it. 4) Are you joking! Nick … (go) to Moscow last week. He’s supposed to be at work now. 5) They … (come from) London, but I’m not sure. 6) We … (take) the wrong turn. We should be there by now. 7) They … (miss) their train. Otherwise they would be here by now. 8) It … (be) Masha who answered the phone because she’s away. 9) I can’t find my cat anywhere. She … (get out) through the window. The opening is too small.