Those who continuously acquire new knowledge that they can ______ their work are more likely to succeed.
| A．apply to | B．adapt to | C．contribute to | D．respond to |
Dr Brown has the habit of _____ the room when he is thinking about something troublesome.
| A．pacing | B．stepping | C．walking | D．marching |
There is a real possibility that these animals could be frightened, ____ a sudden loud noise.
| A．being there | B．there being | C．should there be | D．there was |
____ others might have been satisfied, Dawson had higher ambitions.
| A．What | B．Why | C．Which | D．Where |
Understanding the cultural habits of another nation, especially ___containing as many different subcultures as the united states, is very difficult.
| A．one | B．that | C．some | D．the one |
When you go by train, make sure you take an express, ____ stops only at big stations.
| A．one | B．one that | C．that | D．what |