The pencil-box on the desk as well as the bookmarks _______ to my little sister.
| A．is belonged | B．belongs |
| C．are belonged | D．belong |
Do you have anything is important to tell me?
| A．which | B．that | C．/ | D．it |
20 . They have made_______a rule________in the room.
| A． this; not to smoke | B． it; smoking |
| C． it; to not smoke | D． it; not to smoke |
19. I wondered_____that made him so upset.
| A． how it was | B． which did it | C． what it was | D． who did it |
18. The stories of rescuing trapped strangers in the earthquake highlight the huge efforts_______by Haitians themselves, as well as aid workers from around the world.
| A． to be made | B． being made | C． having made | D． to have made |
15. With the reform of educational system, the teachers_____school I worked before have greatly changed their way of teaching.
| A．in whose | B．whose | C．in which | D．Which |