Peter does better at school than John because he works ______

16. Peter does better at school than John because he works ______.

A. harder                           B. more carelessly              C. more lazily                    D. worse

17. He can do sums ______ in his family.

A. quickly                          B. the most quickly           C. more quickly                 D. quick

18. Jane sings ______ than her brother.

A. more beautifully           B. beautifully                     C. beautiful                       D. most beautifully

19. I get up ______ on Sunday than other days.

A. late                                B. later                               C. more lately                    D. lately

20. My English this term is ______ than that of last year.

A. good                             B. well                               C. better                            D. best