. After so many days on the way, even Charles cheered up at the _____ of the food.
| A．look | B．sight | C．sign | D．appearance |
The rivers have __________，so they will have to spend much money irrigating the crops.
| A．dried up |
| B．built up |
| C．broken up |
| D．gone up |
Our employees are encouraged to __________ in the decision-making process.
| A．participate |
| B．attend |
| C．take |
| D．enter |
She went through a period of emotional __________ after her company fell into ruins and she finally decided to find a new job.
| A．control |
| B．adjustment |
| C．outburst |
| D．improvement |
The professor sometimes makes remarks that are not __________ to the topic.
| A．associate |
| B．relevant |
| C．equal |
| D．independent |
The little boy is __________ to know how the people in the South Pacific Ocean are living.
| A．in death |
| B．dying |
| C．die |
| D．dead |