On his way to the airport, it ________ him all of a sudden that he had forgotten her birthday.
| A．hit | B．knocked | C．occurred | D．beat |
Just imagine performing such an opera as Turandot in the Forbidden City there _____ be a better setting!
| A．mustn’t | B．shouldn’t | C．couldn’t | D．needn’t |
Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
| A．since | B．after | C．unless | D．before |
Science and technolo
gy are advancing so quickly that _____ is a possibility today may be a reality tomorrow．
| A．that | B．which | C．不填 | D．what |
Each person has his / her unique character which ____ him / her from others．
| A．differs | B．distinguishes | C．divides | D．draws |
Shered with anger as soon as she heard the news that her favorite team had been defeated．
| A．went | B．came | C．stayed | D．remained |