When their children lived far away from them,these old people felt ______from the world.( )
carried away
broken down
cut off
brought up
The mobile phone has become a major means of communication, _____us to keep in touch as well as to surf the Internet to keep us _____of the latest news.
---What do you think of his talk on Information Technology?---Oh, excellent. It’s worth_____________.
I like getting up very early in summer. The morning air is so good______.
()____your own needs and styles of communication is as important as learning to convey your affection and emotions.
Drivers are warned that it is dangerous to talk on the phone while________.