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11. It _______ long before we _______ the result of the experiment. A. will not be; will know B. is; will know C. will not be; know D. is; know 12. How long _______ David and Vicky _______ married? For about four years. A. were; being B. have; got C. have; been D. did; get 13. How can you possibly miss the news? It _______ on TV all day long. A. has been B. had been C. was D. will be 14.－Sorry to have interrupted you. Please go on. －Where was I? －You ______ you didnt like your fathers job. A. had said B. said C. were saying D. had been saying 15. I arrived late; I _____ the road to be so icy. A. wouldnt expect B. havent expected C. hadnt expected D. wasnt expecting | 
