46. His job is ____ important than his friend’s.    A. as B. more          C. so   D. the most

47. He plays the guitar ____ well as my brother.    A. so  B. as            C. less              D. A & B are correct

48. Tom reads ____ than his sister.     A. quicker B. quickly C. more quickly           D. A & C are correct

49. California is farther from New York ____ Pennsylvania.    A. as B. more          C. than            D. so

50. China is the country with the ____ population.    A. larger  B. large   C. most large   D. largest