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    21. Carl is studying               food science at college and hopes to open up               meat  processing factory of his own one day.
              A.  / ； a        B. / ；the      C. the ; a        D. the ; the  
    22.——May I help you? You seem to be having some problems.
             ——             , thanks. I think I can manage.
             A.  All right         B. No problem     C.  It’all right       D.  There’s no way
    23. Interest is as               to learing as the ability to understand ,even more so.
             A.  vital        B. available     C. specific       D.   similar
    24. I remenbered                the door before I left the office, but forgot to turn off the lights.
            A. locking         B. to lock      C. having locked       D.  to have locked
    25. You can chang your job, you can move house,but friengdship is meant to be            life.
             A.  of        B. on     C.  to       D.   for
    26. In order to find the missing child , villagers             all they can over the past five hours.
             A.  did        B. do     C.   had done     D.   have been doing

 

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