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vironment. A. after all B. first of all C. in all D. above all 5. John sometimes drops _____ the library on his way home. A. on to B. in at C. on in D. in on digital watch is quite nice. Where did you buy ___? I want to buy____. A. one , one B. it , it C. it , one D. one, it 7. To protect environment is _____ to take care of our lives. A. important B. as important as C. more important D. the most important