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( )14. You ________ wear the coat if you don’t like it. A. have not to B. don’t have to C. has not to D. doesn’t have to ( )15. He devoted all his efforts _______ children. A. to educating B. educate C. education D. education ( )16. ________Oscar night, all the shining stars in beautiful clothes walk out on red carpets, drink champagne and celebrate their success. A. At B. In C. On D. By ( )17. We have _______a lot of wild animals, because of the _______ of their living areas. A. lose。 must C. shouldn’t。 exciting ( )12. By the time he was eighteen, he _________ three foreign languages. A. learn B. learned C. has learned D. had learned ( )13. You ________ play with the knife. You ________hurt yourself. A. mustn’t。 excited C. excited。 The number ( )8. When Audrey _________ in 1993, the world mourned the loss of