——What ___ I wear for the party this evening, darling?
——It's a formal dinner．
| A．shall | B．can |
| C．may | D．must |
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 |
14. He successfully passed the exam and was _____to his ideal university.
| A．received | B．admitted | C．permitted | D．Moved |