28. He did not regret saying what he did but felt that he it differently. (A) could express (B) would express (C) could have expressed (D) must have expressed

26. Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost three times the number hired last year, reduce unemployment pressures. (A) help (B) to have helped (C) to help (D) having helped