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24. A. angry        B. strict            C. funny         D. crazy

23. A. friends       B. students          C. crews         D. teachers

22. A. same thing    B. quite different     C. as follows     D. in general

21. A. almost       B. yet              C. still           D. even

20. A. attitude       B. sense           C. behavior       D. action

19. A. until         B. if               C. once          D. after

18. A. ran          B. turned           C. looked         D. walked

17. A. desks        B. chairs           C. books          D. students

16. A. request       B. permission       C. advice         D. order