We are said to be living in ____ Information Age, ____ time of new discoveries and great changes.
| A．an; the | B．不填; the | C．不填; a | D．the; a |
They often use wood as fuel to __________ coal.
| A．take place | B．take the place of |
| C．in place of | D．instead of |
The policeman __________ to be reading a newspaper. In reality, he was watching the man near the window.
| A．pretended | B．hesitated |
| C．swore | D．determined |
Athens __________ the birthplace of western civilization.
| A．are known as | B．is known as |
| C．are known for | D．is known for |
I didn't tell him __________ news at once because I wanted to give him __________ surprise.
| A．the; a | B．the; / |
| C．a; a | D．/; the |
With so many people __________ by sending E-mails every day, it will become more and more important to have a good knowledge of the Internet.
| A．communicating | B．communicated |
| C．communicate | D．to communicate |