Although, it's raining, ____are still working in the fields.
| A．they | B．but they | C．and they | D．so they |
Our government means to __________ the gap between the rich and the poor by increasing the tax on one's income.
| A．cover |
| B．measure |
| C．expand |
| D．narrow |
As early as his second film, Chaplin had developed his own manner of acting, the one that __________ world famous.
| A．would become |
| B．became |
| C．was to become |
| D．had become |
The natural resources, such as mine, forest, and hydropower （水电）in that area have been __________.
| A．developed |
| B．exploited |
| C．improved |
| D．expanded |
The matter __________ to our study requires __________ with carefully.
| A．related; dealing |
| B．relating; dealt |
| C．related; being dealt |
| D．relating; have dealt |
Dogs have a very good __________ of smell and are often used to search for survivors in an earthquake.
| A．sense |
| B．view |
| C．means |
| D．idea |