Could it be in the room _____ we had a talk last night _____ you left your keys?
13. English we must work hard at it.
12. He said he was not optimistic the future of that country.
11. The little boy many questions at me, leaving me embarrassed.
10. -----Can you attend the meeting tonight? -----No,the manager about something important.
9. It long before we the result of the experiment.