With the development of modern society, E-mail as well as telephones an important part in daily communication.
| A．have played | B．is playing | C．are playing | D．played |
For more than 20 years, we've been supporting educational programs that __________ from kindergartens to colleges.
| A．range | B．move |
| C．take | D．spread |
__________ with a difficult situation, Arnold decided to ask his boss for advice.
| A．To face | B．Having faced |
| C．Faced | D．Facing |
The accident that happened at an oilfield __________ the southeast coast of the USA has caused great damage to the environment.
| A．away | B．from |
| C．off | D．beyond |
The project alongside with the experiment we had once devoted so much time __________ perfectly.
| A．to work out | B．to working out |
| C．to worked out | D．has worked out |
-Were you busy last week-end?
-Very. Rather than __________ time playing cards as usual, I devoted every effort to __________ an advertisement.
| A．waste; design | B．wasting; designing |
| C．to waste; design | D．a waste of; designing |