11. The pupil .................won the prize is our headmaster’s son.
A. who                    B. whose                 C. whom                 D. which
12. Do you know a person ..................can repair this bike.
A. who                    B. whose                 C. whom                 D. which
13. Mai doesn’t want to come in because she is afraid ............the dog.
A. in                       B. at                        C. by                       D. of
14. Feeling tired I stayed ..............bed late.
A. in                       B. at                        C. by                       D. of
15. The school is famous .........................its tied regulations and trickness of the teacher.
A. in                       B. for                      C. at                        D. from
16. Many students in Thinglong are bad ..........English because of their laziness.
A. in                       B. for                      C. at                        D. from
17. His parents are surprised at his .............................
A. Succeed              B. successful           C. success               D. successfully
18. She smiled .........................because she was defeated.
A. happily               B. unhappily            C. happy                 D. unhappy
19. Because of her ....................., no one can teach her.
A/laziness               B. lazy                    C. lazily                  D.
20. By the time they arrived, the train ..............................
A. left                     B. was leaving         C. has left               D. had left