The fact has worried many doctors more and more people died of cancer these years.
| A．what |
| B．which |
| C．that |
| D．though |
As I was sitting down for dinner,the telephone ________ring.
| A．should | B．must | C．could | D．would |
Accounting is described as ________ science of classifying, recording and reporting ________ important financial events.
| A．an, the | B．a, 不填 | C．不填, 不填 | D．不填, the |
We're living in______people call "Information Age"，so everything is possible.
| A． what | B． that | C． which | D． why |
—— I reminded you not to forget to turn off the lights when you left the classroom.
—— ________________.
| A． So did I | B． So you did | C． So do you | D． I do so |
Mike is kind, determined and full of energy._______，I can't speak too highly of him.
| A． As a result | B． In a word |
| C． By the way | D． On the contrary |