The Internet has brought _____ big changes in the way we work．
| A．about | B．out | C．back | D．up |
It snowed heavily; ______, lots of flights have been put off until further notice.
| A．or else | B．as a result |
| C．as well | D．as a matter of fact |
She is a woman of strong ______ and we all believe she will be a good leader.
| A．feelings | B．character |
| C．behavior | D．appearance |
The country has been ______ war with its neighbor for almost ten years.
| A．in | B．on | C．at | D．during |
When the question ______ at the meeting, no one could answer it.
| A．rose | B．arose |
| C．came | D．raised |
The five rings on the Olympic flag ______ the five continents that are joined together in the Olympic Games.
| A．belong to | B．stand for |
| C．take apart | D．pack up |